I thought hack and slashers were games like DMC or God of War where there is some form of weapon combo in it. I have always considered Diablo to be an RPG.
A decade ago Diablo was a hack and slash. Now for some reason, games like Bayonetta, DMC, are hack and slash's.
Because years ago a clueless console gamer told another clueless console gamer it was on a message board and it got parroted around until it was taken as fact by a bunch of people who had no idea what they were talking about.
Same as that "consoles have always been ahead of PC's for the first couple years then PC's catch up and overtake them" nonsense that gets spread around all the time st a new console launch.