[ryanpetrich]

If you don't like the direction the Mozilla Corporation is taking Firefox, you're free to disable automatic updates, revert to a previous version of the browser, or even fork your own version of Firefox. It's not tyrannical to want new versions of Firefox to present a better user experience and be less confusing to everyday users.

[marshray]

... and not receive security patches.

[sp332]

Version 17 is the Extended Support Release and still gets security patches. Or, "I had those security holes right where I wanted them! Quit breaking my browser grr!"