>>20803248That's what people do say, yes.
They're wrong, but that's what they say. Reports of Greninja's movepool have been greatly exaggerated.
I blame STAB Hidden Power for the confusionChesnaught has:
>Grass STAB>Fightan STAB>Erfquake>Stone Miss>Dragon Claw>Shadow Claw>Poison Jab>Swords Dance>Bulk Up>assloads of awesome defensive moves like Leech Seed and Spiky Shield and SynthesisIt's held back by the fact that Grass/Fighting is, at best, a defensive double-edged sword.
It might be fun to try to recreate OP's pasta for Chesnaught.
>>20804124Proteus is an amphibian.
>>20804243Azumarill has had Huge Power for as long as Abilities existed. It has always been horrifying in lower tiers.
Greninja doesn't outclass Starmie, either. Starmie is a spinner, first and foremost.
And it has a much deeper Special movepool. And Recover. And boostan moves. Starmie got rolled over by Defog and Mega Blastoise more than anything else.