Publishers are Google's product. The bans are a product quality assurance exercise for them.
They do not really lose any business when they cut out a publisher. They almost always have plenty of other options to display their inventory on.
They do not really lose any business when they cut out a publisher. They almost always have plenty of other options to display their inventory on.
Makes sense - although it does seem a bit like eating your seed corn. As and when the economy recovers and there's an online advertising boom, the balance may shift.