Maybe I should have written, "it's going to cause a lot more..."
This will likely create a new wave of people seeking to get rich quick. Look for ebooks explaning the "Secret to Easy Money With Domain Names."
Even poor domains will be purchased and parked, at least until the renewal fee becomes due.
And just as it seems Google doesn't have the resources to keep bad ads out of the system (i.e. the recent diet ads), now they are going to have to devote resources to policing the domain program to weed out the trademark and intellectual property violations in the domains people register.