Seriously?? You're holding V2 up as a shining example of good quality control? OMG!!! Their quality control is so good they cannot replicate flavors from one batch to another, their CS is overflowing with complaints of not filled, half-filled and pre-vaped cartomizers arriving in a customers vape mail. There are frequent and strident complaints from customers with more QC complaints than you can shake a stick at. Skim through their forum and be sure you find the posts from the head guy. When first confronted with bad QC issues he said that some Chinese chemist left the lab that makes the juice and took the recipe with him. Then find another post that says that there was never a lost recipe...they just decided to change it and see if anyone noticed. I could go on but I won't.
You took that as him holding them up as a shining example of good quality? I don't think he said anything of the sort. The OP asked if any juice vendors have any video/pics/info about their juice making facilities, and that person posted one which does. He didn't give any opinion, positive or negative, about the quality of their juice or products. It looks like you read waaay too much into that post, or just the mere mention of V2 sends you flying off the handle.
Anyway,
I totally support what the OP is saying here. But I can also see both sides here.
For me personally, I'm not worried about it. Would I prefer to have all my juice made in a certified clean room, with guys wearing while lab coats who are in the middle of paying off their Chemistry degree? Absolutely. Do I loose sleep over that not being the case? No. I rarely think about it. We all eat and drink tons of things every day that are prepared by others, and which we really don't have any idea who was making it in what conditions.
People seem to have a false sense of security when it comes to "regulations" as if being approved by the FDA means anything. To many people it does, to me it doesn't. I've worked at a place with an actual certified clean room. It wasn't food products being made, but it was still a certified clean room which specific policies that were supposed to be followed, and many times those policies were not followed, and in actuality the clean room was a "clean room" in name only.
I didn't personally work in the clean room as that wasn't my job, so I didn't participate in any rule bending, but I was well aware of it, as was everybody there. In general I just have VERY little faith in regulatory agencies and measures. I have far more faith in the people making the juice. If it's something they care about, and love doing, and they care about vaping and the community in general, I feel much safer vaping their juice compared to a professional chemical company's product who likely don't care or even know about vaping, and don't really care about their job.
It's likely more difficult to get a reputation as a good juice vendor, than it would be to simply submit samples for testing and get a stamp of "approved juice" Building a reputation is something that takes time and effort, and means more to me than a couple tests being done a few times a year on some juice samples.
But, even though it's not a huge deal for me, I still totally agree with the OP. Lot# are something that SHOULD be on every single bottle of juice anybody makes. If they found out that a few bottles of flavoring they were using was contaminated with something dangerous, and they don't have records of which batch of ingredients were used in which batch of juice, how are they going to know which is the dangerous juice and which is the safe juice?
There should be accurate ingredient lists on EVERY juice. Sorry for the guys with their fancy special blends, you have a responsibility to list everything you put in your juice. You can still keep quantities and ratios secret, but people should know exactly what a juice maker is putting in their juice. If you have an allergy to something, and a juice maker is putting all sorts of flavors and extracts in their juice, how will you know which one is safe for you to vape if they refuse to tell you the ingredients of the juice?
If they really cared about the vaping community they would have no issue releasing a full ingredient list. If some other company really wanted to copy your juice, they could simply have it analyzed and figure it out themselves. Hell, you can even throw in some stuff on the list that isn't actually in the juice just to throw people off. Bottom line, the juice makers can be respectful to their customer's health while still maintaining their proprietary juice blend/flavor. And no, simple saying "Contains PG, VG, and nicotine" is not being respectful to your customer's health.
Nic strength is another area where current trends are totally lacking. How accurate are your nic levels? What's your margin of error? Have you ever once considered or tried to figure out your margin of error? Is your 18mg bottle of juice 18mg, +/- .2mg? Or is it 18mg, +/- 10mg? Why aren't our juice vendors telling us this? Do they even know/care?
Juice base is naturally anti-bacterial and all that, so I'm not very concerned about getting infected juice, and I trust my vendors enough to think they at least put forth an effort to keep the juice clean. But I still get upset about the lack of professionalism by the vast, vast majority of juice makers. It seems most juice vendors only care about making tasty flavors, and having a following. Why do they totally ignore any safety aspects of it?
They don't need much money to simply be upfront with customers about their juice. As I mentioned, a real accurate list of all ingredients, organizing their juices into batches, which they keep records of which batch of ingredients went into which batch of juice, and telling us their margin of error for nicotine content would go a long way in showing people that you take your juice making seriously, and that you aren't just out to make a quick buck with nicotine moonshine.