How would they even accomplish that? I seriously doubt any of the major platforms are on board with this, given the backlash they’d face for implementing it, and the ESRB literally can’t force them to do anything. The most ESRB could do is refuse to rare games published on platforms that don’t adopt it, but like, it’s not exactly rocket science for Microsoft/sony/Nintendo to just start issuing their own ratings, and steam just doesn’t require ratings in the first place,