The entire purpose of a corporation is to
enhance shareholder value. Anything else is invalid.
It may take awhile, but if people start finding themselves banned from, say, YouTube or Facebook by IP, they'll start caring about NAT.
At the point where NAT is that heavily used... IP addresses will no longer be viable identifications for bans.
"You need tender loving care once a week - so that I can slap you into shape." - Ellyn Mustard