Radiometric dating shows an ancient earth but Young Earth Creationists want to believe that is isn't reliable. Just guess. Well answer me this: [Spirituality & Religion]

[b]If radiometric dating isn't reliable the why does big oil use it in order to find oil?[/b]
These guys are very. very interested in making money. If it didn't work reliably then surely they wouldn't be using it.

Thoughts?