> In my own PhD program, the productivity of the Americans was much lower than the foreigners. That productivity led to discoveries that benefit everyone. The

> In my own PhD program, the productivity of the Americans was much lower than the foreigners. That productivity led to discoveries that benefit everyone. The original claim was an anecdote generalized to everyone. They are stereotyping millions of people based off a handful they have met. It could be true. The reverse could be true. We don't have good data. Why assume that there are differences based on background?