My Father addressed these issues, before the Internet was even fully formed. His was a (in hindsight naive) vision of what he called the "Mass Information Utility" giving the power of information to people, expanding democracy. He did not foresee the commercialization and misinformation of the internet, and now we have to deal with the great problems you discuss.

https://qcp.medium.com/how-did-my-fathers-mass-information-utility-turn-into-facebook-c8263216420c