There are not millions and millions of years, just as there are not millions and millions of "planets" and stars, just as the celestials are not billions and billions of miles away.

[They] have to incorporate all these astronomical numbers in order for [their] theories to make any sense, as the only way for us to be able to accept these theories as even plausible is if we assume there have been billions of years for it all to happen the way [they] claim.