Then again, if someone believes a man in the sky created the world in 6 days, claims the earth is 6000 years old, ... , what stops them from defending the POTUS? Why expect logic where no other logic seems to apply?
It doesn't really matter for most decision wether the universe came to being 6e3, 6e9 or 12e9 years ago, or always has been ... unless you are a geologist.