Understood Lox, yes, and both would have considerable difficulty reproducing the other's output.

Saying a person who knows his theory can't think innovatively is like saying Lewis Carroll couldn't have invented new words if he had actually known how to read and write

It is indeed, Josepp, but no-one's said that. My point was that it is perfectly possible to be creative without the formal training, not that the training precludes creativity. However, a huge wealth of innovative and influential guitar music has come from exponents with little or no formal training. To me, that proves the validity of that approach without belittling any other.

I agree totally with "If it sounds good, I use it", but I'm afraid I have no idea what you mean by "a real chord". They're all real to me, whether or not I've a name for them or I've heard them elsewhere.