It is quite easy to determine with 100% certainty that someone has plagiarized because you have the user's post and the source from which the content was copied - noting that there were cases where some users copied their content from blogs or other forums without citing the source, which then it's definitely not plagiarism if they can prove it.

On the other hand, you have a lot of AI detectors, some of which are very bad and give a lot of false detections, which is why I accused one forum user of using AI, which was not the case. Therefore, one should be careful when using such tools and always use at least three reliable tools before making a final conclusion.

I think that the mods are very careful in the case of AI reports, because there is a possibility that someone will be permanently banned due to bad detection, and that's why you need more evidence that someone is really using AI in order to get a permanent ban.

I would personally try to influence all members (personally new ones) with a clear message that the use of AI can lead them into problems and that they should think twice about using it on the forum. Of course, there are users who use AI to create images and that's perfectly OK and can be fun, as is the case in WO sometimes.