The smartest and most talented can still come, there are specific visas and pathways for them. Also, let's not be as childish as assuming that policies that we

The smartest and most talented can still come, there are specific visas and pathways for them. Also, let's not be as childish as assuming that policies that were good 100+ years ago for a country should be good ad vitam eternam. Countries change, their interests change, therefore their policies should change accordingly.