Originally Posted by
Shamanic
It's the same in any game really; once you've defeated the end boss - what's the point? Well... just because you've defeated inferno, there is also still hardcore to consider, which really is likely to be stepping it up an entire different level. But many people will play to farm BiS gear, not necessarily because you need it, but so you've got it. I assume there will also be things like achievements and other fun things to do - pvp perhaps, not my area of expertise.
I'd expect most people if they clear it on inferno to be the type of people trying hardcore though.