Exactly. It's one thing to show that a theory is plausible. It's another to claim that it is what actually happened. I really object to unverified speculatio

Exactly. It's one thing to show that a theory is plausible. It's another to claim that it is what actually happened. I really object to unverified speculation being passed off as knowledge. It cheapens science as a whole. There are lots of other things we know with far greater certainty.