Oh, I’ve seen that before.

“Hey AI, please come up with an efficient mass transit vehicle for the modern age.”
“Trains.”
“Um… no, we need a modern approach that maximizes throughput and–”
“Trains.”
“No. How about pods with people inside–”
“On cheap infrastructure with low friction steel wheels and coupled together. Trains.”
“It’s not letting us push our agenda, this isn’t going to work. Hey, other AI…”