To be clear, polyamorous relationships are not the same as polygamy. In polyamory, any person of any gender can have multiple partners. The gender does not matter. Whereas in polygamy, one person, typically heterosexual, has multiple spouses of a different gender.
Everything seems to start in Massachusetts and spread outward. Hospital visits during Covid seem to be the problem although I think I heard that same argument many years ago during gay marriage arguments. To me it just more moral breakdown.
What are the monetary implication as far as insurance. Can one member apply for health insurance from his employment for multiple partners? Can he set up pensions or social security for multiple partners?