It's a great short-term idea to possibly break stagnation in the industry, but it is ultimately ironic and therefore the expected evolution is likely.
I'd believe his words a bit more if he through backing toward indie studios with minimal strings attached. But, he will instead—probably quickly—become part of the same old problem we already have.
KSP but only SpaceX parts... Which wouldn't be bad until you want to go to Minmus and 6 months later your idea is playing out on a feed thanks to data collection skipped in the EULA.
Or it's just a bunch of rip offs. Xwatch, Stardew Valley X. XXCOM.