>>22083798Because furfaggotry, pokemon are sentient, and also certain pokemon such as Glaceon and Kirlia have secondary sexual characteristics that are pseudo-anthro in nature.
Put simply they're the same kind of people that sexualize things like Sonic characters, My Little Pony, DeeDee from Dexter's Labratory, and the Powerpuff Girls because they can be drawn like that without completely changing their design.