I’m willing to bet the fudgebacks (aka, homosexuals) don’t really want polygamy for one simple reason:
It allows the straights to participate in their twisted world of rebelling against God’s wishes for marriage. They want all the perversion for themselves.
It’ll happen anyway.
Most of them have no interest in being married at all, and if polygamy gets legal protection in this country than it will do nothing but increase the population among religious/ethnic groups that are hostile to homosexuality.