If you follow the link to the tweet but don't have an account there you'll miss a joke, because Twitter doesn't show threaded replies to logged out users. The xcancel link shows it. Here's the two tweet sequence:

> AI-generated replies really are the scourge of Twitter these days. Anyone know if it's from packaged solutions being sold as a product or if it's people mainly rolling their own custom reply-bots

> ... and I just found out the category name for this is "reply guy" tools which is so on the nose it hurts

(You can confirm this by Google searching "reply guy service".)