Even if you know that, you don't really have an option to stop it. You can buy a smartphone with either Android or iOS - and both are spying on the user heavily.
They make money from products and are the only remaining big tech company not mining customer data. Google and Facebook are built on the idea of spying on users. Microsoft is moving in that direction.
They've also taken a public stand for privacy, whether out of self-interest or not, that's something Google will probably never do.