> If anything I think it's a shame that the quacks and the Good Guys can share the same title. But it's the same in any profession, isn't it?

I actually agree with most of your post, but want to comment on this: yes, it's the same in any profession, but the profession itself also matters. Some are grounded in science, some aren't, and this matters. People are going to be people, but the foundations of their jobs matter.