USB is so ubiquitous and without any peer that comes even close to it's market adoption or fulfills the same requirements of cost and H/W manufacturer support.

USB is so ubiquitous and without any peer that comes even close to it's market adoption or fulfills the same requirements of cost and H/W manufacturer support. This isn't like when they removed floppy disk drives, the ADB ports or FireWire ports. Removing USB would be a very, very crazy (and bad) move.