[yarrel]

They are not providing the Internet to people who do not have the Internet. They are providing a couple of websites in a walled garden.

They are not giving people a useful service that they did not have before, they are giving people a deliberately broken and compromised system.

They are not giving it to people for free, they are making people pay with their data and security.

As for not forcing people to use it, there's a pretty strong push to get people to use it and a commercial monopoly in a given market is often a disincentive to new entrants.

Those are some of the negatives.