It's both. Mozilla's advertising model isn't such a big deal. It's even easy to counter in their own product. Being for profit means Google must keep trying to

It's both. Mozilla's advertising model isn't such a big deal. It's even easy to counter in their own product. Being for profit means Google must keep trying to drive its numbers up. A likely side effect is spying on its users in new ways whose results will be sold in new ways. That prediction certainly came to pass several times over.