If you're playing on a toaster, yes, you can use those options.
Any decent computer can render pretty much everything.
But seriously, how much detail do you really need when you are faced with this?
http://i.imgur.com/rCy8t7U.jpg
http://i.imgur.com/iZZDVLo.jpg
On one hand you have a "primetime" MMO where the entire server crashes if you get more than 100 players in an area or one where you can have 500+ players with loss of some detail. Honestly in those situations the
last thing I'm worrying about is if the dye on their belt is matching the buttons on their shoes.