Since you're not "neck dip in ideological cool aid", you must have some data, right? Terrible idea, why? All american big tech businesses seem to be thriving in Brazil, for instance.
Brazil is absorbing a large amount of Google HC, and it’ll keep growing. Their biggest bottleneck at the moment is not having enough people with fluent english to hire.
If the dollar keeps losing value, this equation might start shifting (since the HC will become more expensive). But I doubt the trend will revert, if immigration keeps getting harder into the US…