Uh huh. So basically, Ron Pauls argument/logic boils down to:
"We've done X for 6,000 years, it must be right."
X in this case is "used gold as money".
Let's see if this is a logical or reasonable argument. If it is, we should be able to use something else for "used gold as money", and it would still hold true.
"We have forcibly bled people to cure diseases for 6,000 years, it must be right."
"We have delivered babies without washing our hands for 6,000 years, it must be right."
"We have allowed hereditary kings to be the established form of government for 6,000 years, it must be right."
"We have believed evil spirits will enter your mouth when you yawn for 6,000 years, it must be right."
I guess that is what passes for logical arugments among libertarians?
Sorry, I'm not convinced.
(edit)
the actual logical operation is:
"If we do something for 6,000 years, then it must be right", if one can find a case where doing something for 6,000 years is obviously wrong, you can discard the statement as being obviously illogical.
The only way you can think this means anything is if you can prove that everything done for the last 6,000 years is the correct way of doing something, or believing in something, a very tall order, indeed.