They’ve falsely banned linux players before, once in March 2023 and again in August 2023.
I got hit in the Aug 2023 ban, and had my permaban overturned after 1-2 weeks. Expect to have your appeal rejected, we had to make enough of a fuss about it to get a community manager to reach out to the development team to get people unbanned:
I haven’t played in 9-10 months since the false positive put a really bad taste in my mouth, so I don’t have any datapoints to add for the current state of things, but I wish you the best of luck getting unbanned.