Firefox is absolutely the emo of internet browsers. look at you guys and your firefox... so brooding, so unique and mysterious. haha
sure. the fact remains that only one of the three 'major' (i quote 'major' because there is really only one 'major' browser) display code properly. That browser is Internet Explorer.
FF's lack of patents doesn't really factor into useability, but for the 'standards' set by MS... those 'standards' weren't really set by MS but they do happen to be the language of the internet. the one that works anyways. FF is like the retarded step cousin mumbling about crayon tacos in the corner.