God says the earth is young, that's why there's C-14 in diamonds.
Who's the liar? God,
or Algore, CSagan, BNye, or NdGT?
The problem with that criticism of carbon 14 dating is that a low level of Carbon 14 is being continually created by cosmic rays.
https://ncse.com/cej/3/2/answers-to-creationist-attacks-carbon-14-dating
So, the very low levels of carbon 14 in oil and coal are accounted for.
It is another reason why carbon 14 is not useful for dating things more than 10-15K years old.