YARG and Clone Hero (and others) exist, they’re obviously not as big as Fortnite but big enough. Also the Gibson thing you’re referring to is from CRKD, who started putting out new guitars over the summer, plus the already mentioned PDP Riffmaster. So it seems there’s at least enough demand out there that 2 companies started making new controllers for these games.
YARG and Clone Hero (and others) exist, they’re obviously not as big as Fortnite but big enough. Also the Gibson thing you’re referring to is from CRKD, who started putting out new guitars over the summer, plus the already mentioned PDP Riffmaster. So it seems there’s at least enough demand out there that 2 companies started making new controllers for these games.