I used to think that believes really don’t matter as long as the person doesn’t act on it, but almost all believes shape who we are. It starts with little comments and evolves into actions. It doesn’t have to be that way if people acknowledge harmful ideas, but if you let someone believe that women are worthless or that their race makes them superior for long enough they will become a bad person.
I don’t know but have you ever taken a domestic flight? Or even a Schengen one? Open border policy woks wonders for data security and also quality of life in general