Has anyone else had their account flagged for having OnlyFans linked?" or "How strict are platforms about having O

Question-based: Has anyone tried using a QR code instead of a direct link? I’ve seen some creators do this to avoid detection.

Also, do you think platforms are targeting certain niches more than others? My SFW art account got flagged, but my friend’s fitness page with onlyfans linked is fine. So weird.