Advertisers need to get their own house in order.
It's hardly an industry of great reputation when I'm constantly getting bombarded with "Earn MegaBucks Working for Google!", "Find out the one easy tip that's got $INDUSTRY fuming!", and "Get your Russian mail order bride now!".
Once advertisers stop peddling counterfeit goods, dodgy pills, lies and pyramid schemes, then they might be in a position to talk.