And allowing it only sends us back several centuries to this primitive way of life.
Actually it protects us from going backwards.
There is no reason to allow other countries laws to even appear legitimste here.
We dont let anyone live under their former countries laws. It is immaterial what they are.
But no other peoples try to live under their countries laws when they come here eithe except muslims and they also want everyone else to live under their laws. Muslims do, so enacting this law makes total sense.