There's nothing in scripture that describes the Earth (or Universe) as being several thousand years old. I think it was Bishop Usher(?) who calculated the period elapsed since the Biblical creation by adding together the life-spans of all the prophets mentioned in the Old Testament.
About as useful as me counting all the hairs on my chin & claiming it signifies something.
I said "phtphtpht" because Elroch was being a snob and being condescending