It's crazy watching that mentioned video, lol! However, the intent was to replace the copper pos-connection with a silver-plated, and first, that's not mandatory, and second, the clones already have that(although I would rather have a copper connection, as many clones with silver plating have brass or even SS connection under the plating). As Ninja said, if it breaks then it's not good, but it seems to take one hell of a pounding to even come slightly loose. Also, with clone prices, then you're not really taking any risks imho...
I'm still debating wether I want one... I go from adding and removing it from cart based on the moons orientation that day or whatever... I lately annoyingly get hit by customs maybe 1 in 3 purchases, which sets the price up 5 fold... If wasn't for that, then I would add it nonetheless, as the price is fine for a 24mm copper tube imho... Clone that is

If it was a pinless-510, then I wouldn't even have to think about it though... First criteria for me personally is performance too(with simplicity being a very close second), as I don't wanna build lower than absolutely needed, for enhanced battery life/longevity...