It's not wives that men should worry about. It's their kids, grand kids, nephews and nieces etc.
They were a big part of Chinas shift into communism. Mao drove the nationalists out of China and with them the rule of law. Turned the young against their parents and educators, turned the poor against land owners, and eventually eliminated intellectuals and any counter revolutionaries.
The Marxist left in the US are trying to follow an eerily similar path right now. They are using the young to destabilise everything and go against their parents. Trying to do away with the police and the rule of law, do away with small businesses and business owners and dumbing everything down.
Oh and one of the first things the young did in China under Mao was pull down cultural monuments. Where else has this happened recently hmmm?!