^ She actually did. She said "they can do whatever they want". Though he's talking over her for some of it.
The main trap to the argument though is it confuses quantity with substance.
There's nothing wrong with building safety codes that say a concert at the bar is limited to no more than 500 people. As long as everyone is treated equally. This would not be true if it limited people based on gender or ethnicity.
Though I don't have a problem with polygamy, it isn't even the same issue.