Despite not being public, Valve still operates under capitalist pretenses. This means that their time is "best spent" on what generates revenue. Predictably, th

Despite not being public, Valve still operates under capitalist pretenses. This means that their time is "best spent" on what generates revenue. Predictably, this means getting their commerce platform on as many devices as possible. That's made possible by Proton. The side benefit is that the abstraction layer they are building will introduce near-parity between GPU APIs, which renders the whole thing moot.