Bank fees don't disappear into the ether when they're collected, so I doubt they have this much affect.
Oh, made my very first retail purchase with Bitcoin the other day. While the process was pretty slick and easy, the network charged $15.00 in fees. Long way to go until "free".
1-3% was intended as a ceiling for what cryptocurrency could bring to the economy, after adjusting for the reduction in inflation once those costs are gone.