Realistically, MACs were invented for one purpose (which they still serve) but many other purposes piggy-backed over the years. This is typical for many technic

Realistically, MACs were invented for one purpose (which they still serve) but many other purposes piggy-backed over the years. This is typical for many technical artifacts. Now that we have realized what we want, that we were getting from MACs, albeit poorly, we can build exactly that. Or Apple can, anyway. This is how our network systems evolve!