When I was in the States last year I saw on the news the usual vigilante, ultra-religous groups were targetting Craigslist as the tool of the devil - you know the story
. I would imagine that this is just PR but will boil down to no change at all - the Craiglist people had to come up with a reply to all the public/media pressure.
I got the impression from my research that (within the States, which is where all this is coming from) Craiglist was pretty much ruined with fake ads and police sting operations anyway. It's all just moved over to a couple of other sites - myredbook and backpage.
Outside of the States, I don't think much will change.