The assumption here is that the government is discriminatory, whereas Arnold is the one who does not wish to have any more wives. If he desired to marry no more than three new wives, he could move to some Muslim country. Or he could become a polygamous Mormon and maybe get away with all 20. Apparently the government does not prosecute polygamists from that cult all that much. The only arrests was in the case of teenage wives too young by law to marry.
You are, in this case, complaining about a problem that does not exist, as Arnold has not express a desire to have a harem.
Did I say that Aarnold was the one with the problem?
Thousands of women are being denied their right to be the wife of the rich and famous , because we have this silly one each rule.
