That, and its really hard to lose those cases. Shooting fish in a barrel.

Not even class-action, just individual lawsuits.

For mesothelioma, an in-person referral from a doctor to an attorney is worth well over $10,000. Of course the doctor doesn't get paid until after the successful suit - but even discounting the time value of money, it's easy to see how advertising at $50/click could work out.