aho no hitotsu oboe
a fool remembering one thing
Stupid/Naive people proudly and repeatedly display the same knowledge/idea
脳ある鷹は爪を隠す (“a smart hawk hides its talons” = “Really smart or talented people do not show off their knowledge or act pretentiously”)
Also バカの一つ覚え. Obviously, its tone is very sarcastic and provocative.
Just like stupid people proudly and repeatedly stating the same idea, he’s always saying “We should use AI more!”.