Well if that were the situation for all companies, the answer to why pay is the same as it is now - even if it doesn't provide so much of a moat, they have a bu

Well if that were the situation for all companies, the answer to why pay is the same as it is now - even if it doesn't provide so much of a moat, they have a business need for certain code so they pay in order to have and run that code. (I'm not sure if it would be better or worse myself, I suspect it might not make much of a difference when everything balances out.)