If this is the case should these docs be updated to remove:

"The code generated in this way is not guaranteed to work. The whole codegen suite (perlcc included) should be considered very experimental. Use for production purposes is strongly discouraged."

perlcc.PL

That's a standard disclaimer. I would most definitely try it.

Where else do you see this "standard disclaimer"? The last time I quoted this rurban said:

"Your citations are wrong."

Given that he has the ownership of something which he claims is not accurate, shouldn't the documentation be updated to reflect this?

A grep of the perl and linux source code trees shows one hit of this "standard disclaimer", in perlcc.PL. Your definition is wrong, one use is not a "standard". Definition of "standard": "something used as a measure, norm, or model in comparative evaluations" or "used or accepted as normal or average."