I think there are huge buildings with call centers in India dedicated to cyber crime. Thousands of people. Nothing to do with tech skills.
Here is Mark Rober basically bringing the war to their shores with incredible pranks:
Personal anecdote but I've witnessed cybercrime being done in various towns in some of India's biggest states, and they attract youth that would otherwise have been working in their family farms, etc.
and your link for 1?
And before anyone says such towns only account for a small proportion of all cybercrimes, the Union Home Secretary Rajiv Gauba has himself acknowledged that this one town alone was responsible for more than half of all cybercrimes (where the fraudster was posing as a bank manager) [1]
[1] - https://www.deccanchronicle.com/nation/current-affairs/01061...