Comment by fwn

> I don't think their AUP considers the browser software a service.

It is not just about their services! They clarify it by writing: "Your use of Firefox must follow Mozilla’s Acceptable Use Policy, and you agree that you will not use Firefox to infringe anyone’s rights or violate any applicable laws or regulations." Src.: https://www.mozilla.org/en-US/about/legal/terms/firefox/