But often $ generated by quantity > $ generated by quality. And that’s the metric everyone really cares about.

Because a lot of the time, it isn't.

Inside the marketing org bubble, quantity is the "any moron could see that" metric. So anyone who wants to get ahead, inside that bubble, had better be willing to optimize it.

They understand.

They also understand that they have little or no quality that most people actualy want and from their PoV quality > quantity > nothing.