>>41387155People were shitting on Bulba because it's slow to make very obvious edits (Charizard's gender, Stoutland dying), autism, and for Archaic's "age is just a number" comment.
Serebii is the one that steals info. Usually from leaks, though I did see him break Pokemon news after BulbaTwitter, then change the time on his website to make it look like he posted it first.