>>14186589It's not just about the bad BST, but also the bad typing and movepool.
If you're playing a guy with Gengar, Salamence, and Ferrothorn, and you're using Vileplume, Dunsparce, and Bannete, it doesn't matter how good you are, you are going to lose.
This is common sense. Part of getting good at Pokemon is knowing which of the "bad" ones has an exploitable niche and which are just bad.