Here is a picture of my touring bike just before it got destroyed.
Note the Aero bars mounted on a MTB stem and at a higher angle than they should be. They become lounger bars when used this way. You still get a little aero profile when on them but it was very comfortable pedaling for many miles laying on them. Commuting with them would work fine as well when setup this way. Aero bars correctly installed for getting as aero as possible for as much speed as possible is painful and defiantly not for commuting or touring!