Comment 73 for bug 60995

(In reply to comment #39)
> a couple dozne people does not make an explicit majority. Ranting about
> Microsoft isn't especially useful in presenting a rational case, for that
> matter. Bugzilla isn't and shouldn't be a democracy, since there is not a
> representative population here.

If a lot of people speaks up against a change and and the only ones for it are a few developers speaking about a theoretical data loss that they haven't actually experienced, I'd say that´s a majority.

But if the comments on bugzilla is not enough for you:
http://www.pthree.org/2006/11/01/firefox-2-backspace/
http://peter.hybridweb.co.uk/blog/2006/10/28/fix-for-firefox-20-backspace-action-linux/
http://www.linuxin.dk/forum/index.php?ops=linuxin&fmode=vis&visid=24700&grid=3
http://amish-geeks.de/blog/firefox-2-narf/feed/
http://www.turbokrecik.info/forum/viewtopic.php?p=11942
http://b.twidi.com/index.php/2006/10/28/70-firefox-2-touches-acceskeys-restauration-des-sessions-et-touche-backspace
http://element14.wordpress.com/2006/11/01/firefox-tweaks-revisted-for-20/
http://blog.verkoyen.eu/20061104/firefox-20-on-linux-backspace-issue/
http://helpero.com/Questions-and-answers/Computers/Linux/Where-can-I-find-a-Fix-for-Firefox-2-0-backspace-action-Linux_9622.html
http://www.chevrel.org/fr/faq/firefox/?id=15-retablir-le-comportement-de-la-touche-backspace-dans-ff2-(gnome)

And that's only from the FIRST TWO pages of a google search. The list could go on forever!