Yes but, this was maybe 300 million years after Theia smashed the proto-earth half destroying the planet and forming the moon. The whole planet must have been sterilised by that right? So it’s pretty damn quick isn’t?

it's ~twice the time between us and our last common ancestor with platypuses (160mya)
That’s a good point and it really puts deep time in perspective. But it still points the no life / life transition being extremely easy? Doesn’t it? In two to three hundred myas we had a jump from barren hell scape to single cell life. That makes if look like life must be pretty easy to get started or am I missing something? Not a biologist so I suspect I’m missing something.