The fighting visuals never bothered me, because I hide the armor. I find the view much nicer when I see the companions run in camp clothes. It's also more "pulp" fiction/movie like. So glad that we have that option. I personally would find it much less appealing to see everyone all the time in heavy armour, helmets, masks just to show detailed parrying and hitting moves.
(Do people remember Boorman's Excalibur film from the 1970's ? Fantastic movie, but the knights wearing their armour all the time was a big downer for me.)