On the first thought: I don't see it,they would still have to contend with a growing community of people who mostly want to play homebrew and open source games.
On the second: Maybe, but that might be seen as a barrier to publishing a game made for fun that just happened to be good. "Eh, I'll just give it away, I was only doing it for fun anyway."
On the second: Maybe, but that might be seen as a barrier to publishing a game made for fun that just happened to be good. "Eh, I'll just give it away, I was only doing it for fun anyway."