* Services your employer uses and reires you to use.
* Services a government service requires use of.
As technological tools become part of the social, corporate, governmental, and institutional infrastructure, "opting out" becomes an increasingly less viable, and more punishing, alternative.
Too: you're denying the specific tools which directly address the situation. Legal and technical means to loudly and clearly state "no", or to sue for damages where this isn't possible.
Other problems:
* Services you use indirectly.
* Services your employer uses and reires you to use.
* Services a government service requires use of.
As technological tools become part of the social, corporate, governmental, and institutional infrastructure, "opting out" becomes an increasingly less viable, and more punishing, alternative.
Too: you're denying the specific tools which directly address the situation. Legal and technical means to loudly and clearly state "no", or to sue for damages where this isn't possible.