You will find it very difficult to get help with game piracy on linux just because the community is very small. If the game has a native release it will be even harder since most linux users want to support developers that do native releases. I’ve only ever tried a couple games that I had no problems with and that was a few years ago. These days if it has a native release I will always just buy it.
2% is more than double the usual share prior to the steam decks release.