Sending an automated thank you note also shows disdain for the recipient's time due to the asymmetry of the interaction. The sender clearly sees the thank you note sending as a task not worthy of their time and thus hands it off to a machine, but expects the recipient to read it themselves. This inherently ranks the importance of their respective time and effort.
You needn't use your real name, of course, but for HN to be a community, users need some identity for other users to relate to. Otherwise we may as well have no usernames and no community, and that would be a different kind of forum. https://hn.algolia.com/?sort=byDate&dateRange=all&type=comme...
What some people see as technoutopia, others see as technodystopia. In other words, some people do want your version of technodystopia, they just don’t call it that themselves.
Definitely not written by AI. Perhaps it just seems strange to you because English is not my native language so my use of it might not fully correspond to what you are used to.