Okay. I would challenge you to read the terms of agreement of all of these services and see whether you're still alive by the end. It's an incredibly long process that I think people are not.... We cannot reasonably expect people to agree to those things.
The other thing is that companies like Facebook and Google will follow you around the Internet even if you don't consent. If you've been to any website that has a Facebook “like” button, for example, on it, Facebook will take information about you. They'll be able to digitally fingerprint you and determine who you are and create a data profile on you even if you have never signed up for a Facebook account, never consented, never opted in.
This is called surveillance capitalism by Professor Zuboff from Harvard University. She has a fantastic, albeit thick, new book on the subject, and it is very aptly named. This is about surveilling you and turning your private experience into raw material for profit.