Websites have false positives all the time and while it sucks, it's infeasible for them to have human reviewers checking everything and it's better to have false positives than false negatives... What isn't acceptable is that the appeals process uses the exact same models as the flagging process so it gets the exact same false positives and false negatives...
Pic related as it was one of the first to reveal how broken the appeals process in most social media platforms was.
If you can, put things on the walls - you can get cheap paintings from charity shops, posters etc