Polygamy is one of those subjects where a short answer can create a very long misunderstanding.
If the question is whether a Moroccan man can have more than one wife, answering yes and moving on leaves rather a lot behind. Religious permission, legal restrictions, individual choices and what people actually think about it all get squeezed into one syllable. Efficient. Also fairly useless.
My instinct is to look for a reference the person might already know. With an American who knows something about Mormon history, historical plural marriage can be a useful starting point. Polygamy has existed in multiple cultural and religious settings. It is not an idea that first appeared when somebody crossed the Moroccan border.
But the comparison needs its own context. Some nineteenth-century Latter-day Saints practiced plural marriage. The Church of Jesus Christ of Latter-day Saints issued its Manifesto in 1890, beginning the end of that practice, and prohibits it today. Groups that continue polygamy are separate from the mainstream Church. I cannot use a historical reference and casually leave today's members carrying it around.
The point of the comparison is familiarity, not equivalence. Different histories, different religious frameworks, different legal systems. And if somebody does not know that history, dropping the word Mormons into the conversation has explained precisely nothing. I would need another starting point.
For Morocco, I would separate religion from law. In Islamic scripture, permission for a man to marry up to four wives is conditional, with justice central to the discussion; Qur'an 4:3 directs marriage to one if justice cannot be maintained. Permission is not an instruction for every Muslim man, or a description of every Muslim household.
Moroccan law adds court oversight. Under the Family Code provisions described by the Moroccan ministry responsible for family affairs, a man needs judicial authorization, an exceptional objective justification and sufficient resources. Polygamy is prohibited where injustice is feared or a wife has stipulated that her husband must not take another wife. That is already a more useful explanation than yes.
Personally, I find the logistics an excellent place for a joke. Multiple anniversaries to remember. Multiple sets of in-laws. The mother-in-law situation alone deserves its own risk assessment. A calendar notification starts to look less like technology and more like essential infrastructure.
The joke is about the administrative ambition, not about wives being a burden or one community being ridiculous. People have different views, including within Morocco. A punchline cannot stand in for that distinction.
I do not need someone to approve of a practice to understand what I mean. I need enough shared context for us to discuss the same thing. That is the difference I care about: translating the answer, or actually communicating it.