The illusion of openness can be more convincing in the case of the Internet. It isn't just a talking head telling you what to think on TV, it is a collection of curated and censored opinions from a simulated peer group.
Yes I agree. As someone who works with programmatic advertising technologies, I struggle to convince friends that 80% of what they see in a screen has been decided by a third party and it is not them “looking for it”.