We live in a time of populous, wealthy dictatorships that have computer-science expertise are openly hostile to the US and Canada.

North America is only about 5% of the world's population. [1] (We can assume that malicious actors are in North America, too, but this helps to adjust our perspective.)

The percentage of maliciousness on the Internet is much higher.

[1] _ See continental subregions. https://en.wikipedia.org/wiki/List_of_continents_and_contine...