Jay, look at a big detailed map of the moon, specifically an area with a lot of impact craters at or above 250 km in diameter.
Lots of them eh?
Now, how many of those are there on earth? If the moon and the earth are the same age, wouldn't you expect more impacts on the larger celestial body?
Crazy as Fuckballs McGee, who posted a few months back, thinks the atmosphere burns up meteors that make such big craters. It don't, and he's stuck with evidence of an old earth.
So don't worry about egghead dating methods. Just carry a big map of the moon around with you at all times, and when some creatard gets going, slam it down and let the grade 7 science do the talking.