I used to work on wine full-time during my summers. The company I was working for was in cloud gaming, and linux was a better server environment. We used WINE t

I used to work on wine full-time during my summers. The company I was working for was in cloud gaming, and linux was a better server environment. We used WINE to emulate the games. There are quite a few companies with a strong enough interest in WINE that they hire developers to work on it.