one factor out of many when used as a part of an investigation determining a piece of content’s source and making a holistic assessment of academic dishonesty or plagiarism.
It's still not clear to me how they can be used as evidence at of academic dishonesty at all, even in combination with other factors, when they have so many false positives and false negatives. I can see them used to initiate a conversation with a student and possibly a rewrite of a paper. This is tricky.