>>34574932GF doesn't decide it, the fans do. Do you honestly think when they sketched out Machamp 20 years ago they were concerned with pleasing the barafags?
Gardevoir is based on a paper doll and the Japanese name is "Sir Knight".
I guarantee you there is porn of nearly every fucking Pokémon. Humanoid, animal, inanimate object; it doesn't seem to matter. The idea that gf is appealing to them is ridiculous. All they have to do is design a Pokémon and someone on the internet will sexualise it