Fair enough if you're not a fan of the IP, but in the sense of a functional fighting game, they would have lots in common.
I don't want a Persona fighting game just because there's a stand mechanic, just like in Jojo's. There's way more to it. Musics, characters, interactions...
Plus we already have 2 great Jojo's games (JoJo's Bizarre Adventures by Capcom, and Jojo's ASB. I don't need a third one, i need a Persona game instead.