Almost 100% that one is a spambot. The script kiddies are taking advantage of the lax security in UBB to practice their ChatGPT skills.
I wondered why the likely spambots frequently make seemingly innocuous posts. (Unlike the ones that clearly link to a product they want to push.)
Training a Chat type AI makes a lot of sense!
When they are capable of making bad Dad jokes about fish and ponds, then I will be replaced at Pond Boss.