I think the biggest bubble against Vape Critic was his fairly negative review of the Grasshopper. He said many times it worked well, but it wasn't the vape for him, and his mouthpiece got hot like some have said on here. That mixed with the myriad of people with issues with FF2, and you have yourself a solid conspiracy.
I've watched the bulk of his reviews compared to others, and I can say from my experience is he's pretty darn fair. I love my FF2, gets amazing clouds, and not that finicky.
He has definitely made it very clear things are solely based on his experience, and that is something most people can't seem to separate from their own opinions. Disagreement now has become some form of persecution rather than just a difference of opinion.
In terms of the PAX 3, his review was mostly positive, but said he hates the look of the wax piece, and doesn't think the new finish looks as nice. He basically said it was a slightly faster PAX 2, which was one of his highest rated vapes. I think based on what I saw he was just underwhelmed with the "improvements" and not that he was overall disappointed.