The change is far from cosmetic: ethernet used to detect collisions on a shared cable and by restricting cable length and timeouts was able to work. What we hav

The change is far from cosmetic: ethernet used to detect collisions on a shared cable and by restricting cable length and timeouts was able to work. What we have now with switches has no collisions and each device has a private cable to the switch. This is a fundamental change and not some cosmetic change.