I observed this too. Almost two weeks ago (when all of this started blowing up) the overwhelming majority of people who were talking about jumping that sinking ship were upvoted and supported. Folks were discussing the best platforms to migrate to, etc. Then a few days ago I noticed all of sudden a heap of really negative anti-fediverse comments had cropped up. While I'm not some all seeing eye that can perceive all Reddit comments and analyse the data, it was such a big, stark and sudden shift.

I realise it seems cynical and entering into conspiracy theory territory but I like to think I've lived through enough of the interwebs at this point (I was on BBS' before the internet was a thing in my country) and rationally learned enough about corporate corruption, astroturfing and fake reviews to be at least suspicious that something more is going on.