Whoever said that was worst moveset is tripping.
Vine whip is the best quick move, for sure. And go doesn't have a real good poison hit, except for gengar on (surprise) that same charge move. It's venasaurs only split special now, and those have favoritism with most in gym sits.
Right now, the "he's not big enough" argument...I really hope this rework fixes that. I want diversity.