The language barrier is becoming less and less of an issue (for English speakers).
> Universities in the United States should watch out. It won’t be long before Americans realize that top European schools offer a fast-growing number of bachelor’s and master’s degrees, taught entirely in English, for a fraction of the price of many American schools, even if you add on overseas airfare. (In 2009, there were about 55 English B.A.’s offered in Continental Europe; by 2017, there were 2,900.) - https://www.nytimes.com/2019/08/10/opinion/sunday/europeans-...