Religion is not banned, Jesus christ it takes two seconds on any search engine to disprove that factoid.
Also dilution of an ethnic population is called the entirety of human history, and its not a bad thing. The only people against race mixing are nazis and nazi adjacent individuals.
Also Tibet is significantly better off without the child sex slaves, in my opinion. I know a lot of people disagree for some reason and want king pedo back in power there, but I personally think they might just be better off with equal rights and no child sex slavery.