[Fnoord]

> What you're describing seems to be pretty much exactly polarization. [...]

It is, but its also more.

OP wrote:

> The moment that you make a content that advertisers might find controversial you risk losing your reward for that content so advertising financed media fails to capture anything beyond the mainstream entertainment.

This described self-censorship. Wikipedia has a nice article about that, including many examples. [1]

[1] https://en.wikipedia.org/wiki/Self-censorship

[ctraynor]

Yes self censorship is part of the system.

It's a process that maintains the existing polarization.