Nah, people just listening to Insomniac and the actual words they said:People just making something out of nothing. Insomniac never said that game was only possible with just the PS5. Insomniac said the PS5's SSD (in relation to PS4) was essential for the gaming experience they intended. Tests show the same
“Ratchet and Clank: Rift Apart is a game that utilizes dimensions and dimensional rifts, and that would not have been possible without the solid state drive of the PlayStation 5. The SSD is screamingly fast. It allows us to build worlds and project players from one place to another in near instantaneous speeds. It is an unbelievable game-changer in terms of, we can now do gameplay where you’re in one world and the next moment you’re in another.”
I know it's PR quote from Insomniac to push PS5 sales, but it's a lie.