The downvotes are likely because your position consists of little more than "google why he's wrong". If you wish to refute pg's statement you should explain w

The downvotes are likely because your position consists of little more than "google why he's wrong". If you wish to refute pg's statement you should explain what's right about your position, such as why camlp4's macros aren't just a prettier syntax on top of a LISP-like abstract syntax tree as the Wikipedia article states.