I have been reporting them. I hope they find a common formula or something that gives away the posts.
He suggested I just report them to the local Mod for passing on - so I don't think they've actually got a system in place yet.
It is starting to be needed, but my real fear is that as the tech gets better it will be hellish - but they will have already let the bots in. At the moment it's a post every couple of pages, soon every few posts... Eventually you will strain your eyes wondering which post (if any) is written by a carbon-based life-form!
This is just a tiny tiny fraction of a much bigger problem that is coming.
https://www.youtube.com/watch?v=JvbHu_bVa_g The machines will intrude into our lives more and more until we don't even know what is real anymore in any of life's domains, until eventually we become irrelevant, and then we will wish for the days that we mattered enough for them to want to intrude

Either way, it get's a lot worse before it gets better, if it ever gets better at all.