Wait a minute, if he says it is unfalsifiable, not only is there no evidence against it, but there can be no evidence against it by definition. The guy's just some poor drunk; move along folks. Nothing to see here.
How long did it take for the acid in our stomachs to be the right amount for us to digest food?
How long did it take for eyes to form, was everyone farsighted at first or nearsighted?
Why are their two sexes?
Why are there sexes?
When did we grow two arms because one wasn't sufficient?
If we came from monkey's why are there monkeys?
Where are the species that have derived from humans ,if they haven't formed yet where are they on this planet so I can go see them?