An update from Mozilla regarding this situation:
https://blog.mozilla.org/en/products/firefox/update-on-terms-of-use/
- Bug#1099130: firefox-esr: Please package a fork that res... Alejandro Colomar
- Bug#1099130: firefox-esr: Please package a fork tha... Joey Hess
- Bug#1099130: firefox-esr: Please package a fork tha... Andrea Pappacoda
- Bug#1099130: firefox-esr: Please package a fork tha... Andrea Pappacoda
- Bug#1099130: firefox-esr: Please package a fork tha... Qwerty Chouskie
- Bug#1099130: DFSG - firefox-esr John