Speculation: Rocket League PS4 hinting as Cross Buy option coming, what could it mean?

[Teeqoz]

poklane said:

Teeqoz said:
PS3 version seems the most likely to me. There honestly is no way there'll be Steam-PS cross-buy. Simply won't happen.

Portal 2 had PS3>PC cross-buy. If you bought the PS3 version and linked your PSN and Steam accounts you got a free Steam copy of the game.

But that was a special reward for linking your PSN and Steam accounts. Not the same as cross-buy, really.