So, while the side effect of their PR is good, it's more or less a side effect of PR for them. I'll believe their intentions when the move out of all places which have medieval anti LGBT laws.
This week, it's fashionable to attack and punish North Carolina. Next week, it will be somewhere else, probably also in the US.
But Paypal will never cease business in Saudi Arabia or anywhere in the Muslim world where the government executes gay people.
We shouldn't celebrate or support people "standing for their beliefs" when they're not actually risking anything.
Local Charlotte paper kind of agrees, it would be interesting to see companies pull out of places like China and Saudi Arabia, given the investment that has been made already, and the loss of growth that would come from that.
Essentially, the company would have to put social issues as a priority over being competitive, because I can assure you that someone else with lower morals would take that business. Would be a very hard stance for companies to take with share holders.