If there was a market for Linux games Epic wouldn't have pulled Linux support. There is no money in Linux gaming, so many companies have started to pull back on supporting Linux after years of experimenting.
Probably much simpler just to make a solid Windows build that plays nicely with WINE.
Let alone MacOS, which is more supported than Linux but has comparatively much poorer hardware stats.
In case you missed it, that was the point of Steam Machines, and the respective distribution.
A mere 1% of Valve customers.