"A good lawyer can solve things very quickly at little cost. A bad lawyer can take the same matter, spend a ton of money researching it, working it, discussing it, etc, and still come out with a poor result."
Not to be too cynical but given those two options of good and bad lawyers - who is going to be able to charge more fees to an unsuspecting client?
Edit: I can't believe that I said "Not to be too cynical" about lawyers....