You are not, in fact, 1% here. I saw numbers like 77% of players using Windows, 12% on macOS and 9% on Linux for the game.

Also, developers seem to have an experimental Linux build and code building for macOS according to the wiki:

https://kittenspaceagency.wiki.gg/wiki/Frequently_asked_ques...?

I have a lot of opinions on shipping games on macOS, but they mostly about lack of technical barriers to be honest, so I'll leave them with myself.