People care about privacy. But they care more about convenience. If the browser is preinstalled on your system and you are not making a deliberate choice to switch, you’ll keep using it.
Changing a habit is a difficult task. Usually, people don’t like to do it. So they stick with the worse, even though there are such beautiful things like Firefox.

That’s what giants like Apple know. They draw people into their own ecosystem in order to groom them into the perfect customer. They start in schools by giving schools special cheap licenses to use Apple products. An investment into future customers, because as we know, customers will gravitate towards stuff they know.

And I wonder how such things can be legal.