Yes and no...there are simple enough set ups on the market that work just fine for those that don't want to think too much. A simple single coil cartomizer on an eGo (non-VV) will give someone some relatively consistent vape with just the press of a button, and if that's all they want...that's all they'll need. With any new hobby, there's always a learning curve, and t's up to the hobbyist to decide how much of the curve to learn.
Yes and no is a fair statement. You covered the no it isn't complicated rather well. First thing to view is compared to smoking, it is complicated. I mean, what is the most complicated part of smoking? Using a lighter? Deciding on the type of lighter and smokes plus brand (but by the time most get to vaping that was decided long ago, usually by going with the crowd)?
Some of us like to know if what we are spending money on is right for us and that's where it gets complicated. The word complicated is also relative. It was easy for me to absorb the information (not complicated) but the sources were scattered (complicated).
If you are going to vaping hoping it is something you will embrace you will accept it as a hobby and as you said there is a learning curve for that, so maybe complicated but not real bad. If you are like me, it was to initially stop smoking and step down nicotine until you quit, all the while at worst breaking even on money at the end but preferably saving money before getting there. Complicated. If I knew about fasttech all along that part would have been extremely easy, lol.
Now I'm thinking this may be something I will not intend to quit, but I will decide that later in the nicotine step down.