they are not allowed to have one good version and a crippled version. they absolutely are legally allowed to just cripple both. "but the ps5 will have split screen!" well then, sucks to be you if you bought an xbox. think microsoft for that, sony consoles have nothing to do with it. or microsoft could just admit to themselves that expecting a next-gen game to run equally well on literally-worse-than-last-gen hardware is just a pipe dream.