To be honest I have showdead on and while I see the things you see, I also see a lot of blatant AI slop getting killed off too. I'm sure most people on here are at least somewhat attuned to Claude's 'voice' by now.
If you have enough karma to flag comments you can also flag them directly from the noobcomments feed, which is useful to help manage the abusive users who keep re-registering new accounts.