Nowadays, with so many coursework 'professional doctorates', many available over the internet, there is a great risk (and indeed a perception held by many)that titles and higher degrees might simply be handed out to those who can afford the fees. But to the person in the street, generally, a 'dr' title is a 'dr' title, despite the huge difference in the road to getting a professional or mainly coursework doctorate, and a research PhD.

And as for honary doctorates or degrees...