Firefox used to be amazing, but they squandered their market share with bad decisions and stagnation. Maybe one day they'll see the light, but not likely, given their recent ai additions...
It was the alternative to IE6, the first rays of dawn bringing hope to to a desolate, war-torn funereal valley of culpable corporate complacence.
Hatred for IE6 drove people to Firefox more than anything else - IE was horrible. Firefox users crowdfunded a two-page ad in the New York Times, mostly to get people to move off of IE6.