>>11100441That's some convincing evidence, I would hazard to guess.
I can't think of any reason in particular why the dynamo model would be incorrect.
I mainly replied to OP because I wanted him to answer these questions for himself, you know.. the socratic method.
Thanks for contributing, though.
I'm curious what OP believes could constitute as an alternate model with even a 1% probability of existence, and his reasons for thinking that.