Here's me testing with a place that is a lot less ambiguous

https://chatgpt.com/share/680aa212-8cac-8008-b218-4855ffaa20...

That reaction is very different from the Marathon crater one though it uses the same pattern. I think OP's reasoning that there is a naive commitment bias doesn't hold. But to see almost all LLMs to fall into the ambiguity trap, is important for any real world use.