The basic nature of the young-earth movement makes it difficult to change
or correct. Firstly, the habit of denying contrary evidence is likely to
be applied to contrary evidence from other YEC's [Yes, some honestly admit
inability to explain things, but sweeping claims seem the norm in my
experience].
Secondly, there does not seem to be enough unity for any enforcement of
standards, nor are audiences generally well-informed enough to find out if
someone has been denounced. For that matter, do many other YEC's even know
what Patton is claiming?