I doubt Diogenes would care abt the foxes being dolphins so much as how u explained it. If u brought a series of dolphin to fox fossil records he’d accept it but if u come in waving ur hands abt and mumbling something abt dolphins and foxes he’d think ur as insane as him.

Same I found piano quite easy. Although I can’t work a normal job or even walk some days so yk playing the piano isn’t everything