>>26882212people rail on him because he's a gimmicky battler who hates Smogon's restrictions.
basically his channel is dedicated to gimmick battles for the entertainment value (the ones that bring in the views), which I admit, Fan Friday submissions are a lot more fun to watch than PokeAimMD just using your cookie-cutter teams and win.
When it comes to the guides, they're hit or miss, like
>>26882729's example, Verlis up and states when a mon he's reviewing is total garbage and just makes a gimmick, cause lord knows there's no use in making Wailord work anywhere else.
My main issue with him is videos calling out cheater and genners, which I agree with him that genning has no place in VGC, but going out on witch hunts against players isn't solving anything.
tl;dr: you want an ultra-competitive WIN MORE entertainer, go subscribe to Pokeaim, if you want less-serious gimmick battles for the sake of entertainment, Verlis fills that niche, which is why he's one of the larger Poketubers out there.