[keepamovin]

This is used in finance, business, law enforcement, and other areas. In the same way that private security firms are used to dig up dirt on counterparties. It's very discrete.

Also, to run a real operation you can't rely on 1 talent. You need to run a team so it's typically outsourced. Companies don't have the political capital to run a real RV department due to stigma, which has surprising power: business is conservative and not always smart (think dress code, remote work, tech debt), so the test of "used widely by business" is not a great test. Many people in tech know that business decisions are not often rationally about what works best.

If you need external validation of why this works, try doing it yourself instead. Then you'll know! :)

My answer has all you need to get your first try: https://news.ycombinator.com/item?id=42528680