There are always lots of men who cannot get laid.
If a wise man can and will support 300 wives and 600 concubines the burden on society is lessened.
Probably he should nominates for sainthood too.
No, we will pay for this in our taxes on welfare for families that can’t feed all their kids.
The wiseman is usually quite powerful to have that kind of money. Usually has power to seize riches from others, so society is not necessarily benefited if he seized riches from others to feed himself and his consorts.
Of course, the New York case West 49th St., LLC v. O'Neill and 90% of all polygamists outside of Mormonism are homosexuals, but you knew that, didn't you.