Rocksteady's Next Batman A PS5 Exclusive?

Following news earlier this month that Rocksteady is planning to return to the world of Batman, one leak suggests the next game might be a PS5 exclusive. The leak also hinted that the game will be based on the Batman Beyond series though would not copy the series distinctive art style. Could a PS5 Batman generate enough FOMO to get Warner Bros. back or could this be leading to another Suicide Squad like failure?