Your questions are really apt. At the end of the day, scammers like this are predators (and of course, the ones featured in these videos are just the tip of the iceberg; scamming rich westerners is a billion-dollar industry) but they are also victims, of the asymmetrical rewards of global capitalism and colonialism at least, but in a more concrete sense, a lot of them are victims of human trafficking who are being forced to work on these scams.

https://www.csis.org/analysis/cyber-scamming-new-destination...

When I was reading through kitboga's site earlier it said that they "make some light of a dark situation" which sums it up well.