Well ... first - games are different type of code than Photoshop. If you want to see whether Linux people like to pay for content - you better check their video rental and music histories.
Second - there is good portion of linux users that are not die hard Stallman followers. They are just not the vocal ones. Some people know that you sometimes just have to ship the binary for various reasons.
The fact that Sublime Text has version for linux that is supported, means that it is profitable enough to do so.
People don't mind paying for good software. They mind being ripped off and feeling powerless. And there is sizable group of people for which the games are the only major dealbreaker of switching to Linux.
Second - there is good portion of linux users that are not die hard Stallman followers. They are just not the vocal ones. Some people know that you sometimes just have to ship the binary for various reasons.
The fact that Sublime Text has version for linux that is supported, means that it is profitable enough to do so.
People don't mind paying for good software. They mind being ripped off and feeling powerless. And there is sizable group of people for which the games are the only major dealbreaker of switching to Linux.