You keep using the word "fad", I don't think it's the right word.I still think VW was an unnecessary addition to ProVari...
I'm still waiting for an explanation as to why TC is not a fad for those who know how to vape. If it worked well and were plug and play, I can see it as a benefit for new vapers plagued with dry hits, however...
TC (or wick protection) is a tool. If you don't need that tool don't buy one.