Lots of comments here to the effect of "shame on you for letting yourself be so dependent on them", but the awful thing is that there are so many businesses who

Lots of comments here to the effect of "shame on you for letting yourself be so dependent on them", but the awful thing is that there are so many businesses whose unit economics _only_ make sense if they can buy visitors via Facebook. They are way, way cheaper for a lot of B2C businesses than any other ad network. I don't know why. Is it because people who are browsing FB/IG are bored and actively looking for ads to click on? Either way, it sucks that no one else offers the same access and CPM/CPC etc