Another opportunity on Hacker News to recommend Niel Postman's "Amusing Ourselves to Death". Best book I've read in the last 5 years and goes deep on this issue as it presented ~40 years ago with televised mass media. The books has aged pretty flawlessly - still 100% applicable to the internet age.
A few comments here revealing a core point: It is a feature, not a bug, that people don't consciously realise it's happening to them.