That occurred to me, too. It certainly hurts any competing ad networks who don't have a Flash-to-HTML5 converter ready.
On the other hand, I think Chrome is the only major browser that ships with the ability to play Flash, so one could argue that it is just altering the benefit that Google has been providing to all Flash providers for years.
On the other hand, I think Chrome is the only major browser that ships with the ability to play Flash, so one could argue that it is just altering the benefit that Google has been providing to all Flash providers for years.