Wine 11 rewrites how Linux runs Windows games at the kernel level, and the speed gains are massive
(www.xda-developers.com)
Those benchmarks compare Wine NTSYNC against upstream vanilla Wine, which means there's no fsync or esync either. Gamers who use fsync are not going to see such a leap in performance in most games.
If you're using lutris or proton/etc., you're probably already using esync/fsync.