As Starz0r said, one of the main reasons is that the market is just very small. I think it was CSGO that had basically no protection on Linux for years, and the

As Starz0r said, one of the main reasons is that the market is just very small. I think it was CSGO that had basically no protection on Linux for years, and the developers just ignored it because the small number of players didn't make much of an impact.