Why then would dvorak put s there if it were difficult?
Sensibly most English punctuation is on the left hand along with the vowels on dvorak; which is easy to remember.
Dvorak is very well considered. The combos: qu, th, wh, ph feel really nice.
What amazes me is the fact that the keys are staggered on a computer; I'd expect them to be radial; with my fingers. It appears no one's ready for a radical departure from the typewriter layout. Let's see what happens with the ipad.