

I mean, I’ve only gotten those from one tracker, and haven’t gotten them since I’ve removed that one tracker. Sonarr at least recognizes it’s not a media file and won’t copy it to your media folder. And you can use regex filters with qBittorrent. There hasn’t been a legitimate use of .arj in what, 30 years? So you won’t be missing anything by filtering it.
I’ve heard something along the lines of, “it’s not when computers can pass the Turing Test, it’s when they start failing it on purpose that’s the real problem.”