Look, I have no issues with collectors. I have a (modest) video game collection myself.
I do think the time spent on sealed games and the hype on their importance was a bit of a waste.
BTW, I am far from jealous of sealed games. I've owned them and simply opened them because I think these things are meant to be played (but this is just my opinion).
The assumption (and insistence) that anyone that has issues with WATA (and their practices) and the overhype on sealed games is simply "being jealous" was certainly overplayed in the doco. I think they could have balanced the opinions by addressing the fact that this hobby was available to all, but due to people buying up huge swathes of copies, it has pretty much cut people from the hobby. Once again, not my jealousy as I'm good with what I have, but I know many others that are now locked out. It's just a shame is all. Most hobbies end up as rich people time wasters, so I guess it was inevitable.
There are some interesting things here (rare consoles and one-offs) and some good personalities, just skip the ad in the middle and it's far more enjoyable.