It is convenient for Facebook that it is in the best interests of the users. Facebook in part become as big as it is today via the free advertising it receives

It is convenient for Facebook that it is in the best interests of the users. Facebook in part become as big as it is today via the free advertising it receives on the vast majority of business advertising which includes a Facebook page link or even just an icon. Businesses have been incentivized to build this audience. But arguably now Facebook is so intrenched that it can remove some of this incentive and even profit of giving some of it back for a price.