Many riding countries holand china etc the magority of bike ride upright. we think that all bike are "sport bikes" with aerodynamic postions, this my friend is just marketing. I also like the more comfortable postion mainly because you get to look at the views more!
ps today in my ride to work i saw a bird of prey on a fence post, just relaxing. it was a thing of beauty. might not have seen that if i was looking at the ground
pps if you think 26 ar good try a 29 my mate has a Full suspension 29er if i could justify another bike it would be one of those or YouTube - 36er stair ride
. until the ill just stick to the ultimate off road transport.... the feeet