Might be unique to my country, but there are realistically just 3-4 cities that have the kind of high-paying tech jobs my friend was interested in. And most com

Might be unique to my country, but there are realistically just 3-4 cities that have the kind of high-paying tech jobs my friend was interested in. And most companies have offices in these 3-4 cities. You can easily spend your entire career in the same place.