[alephnerd]

> large North Korean methamphetamine trade

It's common all among the working class in Asia and the Asian Diaspora (Bayswater Basic if you've ever been to London). It's dirt cheap and keeps you awake while. doing any monotonous or manual labor.

In this specific case, a drug test for a remote job requires ID verification. It's a simple redundancy to verify that the person you hired is that same person.