ms word is a nightmare for me. each time i have to download and edit a '.doc' i have to worry about macros, embedded ****, ole, whatever else what could be used to put a piece of malicious software on my computer. numbering and styles get messed up/duplicated/triplicated just because of different locale setting.
it's just a word processor, like many others, and it also may not be the brightest one out there. it even lacks some basic "DTP" like features which are available in many other "word processors".
you could state the same about microsoft windows (insert number here) to be the de facto standard for business use. even if it is so, it's not because of it's superiority, it's probably because all those it folks know this, and don't know / never used anything else.