Whether you condone the profession or not, that shouldn't affect their worth as a person who deserves respect.
And I do think this is bunk - just like the idea that schools are less safe because of GTA, or that 13 year olds are more violent. But the fact that the general response to this has been "Prostitutes? Hah! They're sluts anyways, who cares what they think?" is more than a little disconcerting.