YOu mean like Harry Reid said about paying IRS annual fed taxes..... is “voluntary” right.
As a terms of use— saying “we can follow you anywhere else you go on the net” is not a bit shy of incredible. Arrogant.
Its nothing like that. Facebook is a service. You either use it or you don’t. Billions of people are living totally fulfilled lives and don’t use facebook.
And if you don’t want to be followed around the net, then don’t allow them to put cookies on your computer.