If game developers provide official support for proton I would be more than happy. If the engine they are using doesn't support an automatic Lnux build I cannot insist that they should do a native Linux build. It's too much work for little gain. However, if they support proton officially I can live with that because the expected amount of work should be insignificant. 99% of the problems I have encountered were because of anticheat, broken launchers and a video game franchise using some weird proprietary microsoft video codec that literally no other platform supports. Fixing a launcher is not much work. Fixing video codecs is not much work. Anticheat software should support proton. It's not too much to ask.