> With advertising, we can enjoy many services free of charge.
Using google as an example, google maps, search, android, etc
Google gets much much more than just showing you ads. You surrender all your digital life using Google free services, and that info is priceless, because 95% of people did the same. What would you say if in 10 years, government, police and businesses will routinely use google data for background checks? It is just one use case.