That may be partially true, but it's also important to understand that the US benefited a lot from that. Scientists from all over the world moved to work in the US, students looked forward to studying there and working in US companies, etc.
That is changing. Children in my country are moving from learning English to French and German in order to study in European universities. This started after Brexit and will accelerate now.
That is changing. Children in my country are moving from learning English to French and German in order to study in European universities. This started after Brexit and will accelerate now.