I'm sorry, but unless this dude has some credentials for writing ORMs (which, not to toot my own horn, I personally have done) I don't think he even knows what

I'm sorry, but unless this dude has some credentials for writing ORMs (which, not to toot my own horn, I personally have done) I don't think he even knows what he is talking about. Almost ever ORM I've worked on, we treated SQL as the source.