Having watched the video one can only say the premise of the OP is in error: the criteria used to determine oppression have noting to do with law and public policy, the only and final arbiters of freedom and human rights.
I'm w/ Brussel's & France on this. Those body-tarps are a form of non-integration. You want to wear those things, do it in your own country.
Although neither Belgium nor France are subject to American Constitutional case law, such laws would be a Free Exercise Clause violation in the US.
A people can not be compelled to integrate or assimilate, acculturation is a natural process that occurs over time. And a people compelled to abandon given social or religious practices tend to resist acculturation, defeating the purpose of the reform.
It's an outward way of saying "I'm not you". Assimilate or go back to your own country. there's also a security issue in that you can't determine WTF you're talking to
She looks like a condom.