If some hardworking, tax paying man who has trouble getting ladies wants to pay a slutty girl cash to spend the night with him, who am I to tell him he can't do it?
The reason why one group of people gets to choose our moral code is because they are the group of people who have been chosen to do so. Justice is a moral concept, thus in order for it to exist, there must be morality.
" Those who plan to reap the blessings of freedom, must, like men, undergo the fatigues of supporting it" - Thomas Paine
"A government big enough to give you everything you want, is strong enough to take everything you have. " -Thomas Jefferson