(quote from RealReality.org/Real_Faith_and_Reason_Vol_2_-_Scientia.pdf)

Scientists observe and test. Then they make assumptions. Based on the assumptions, they calculate an age for the earth. These calculations don’t lead to tentative answers. They lead to arbitrary but precise answers. Arbitrary thinking is irrational.

Since they use the same assumptions, equipment, and methods they get precise answers. Since they ignore answers they didn’t expect they only report consistent answers. Since they always use assumptions, they get arbitrary answers. Their answers are consistently and precisely arbitrary.

(end quote)