Might be a solid strategy to combat debt collection agencies. They buy overdue debt at steep discounts and then harass people and collect on some portion, enough to make a profit overall. Dealing with sovcits probably has negative expected value vs whatever debt they are trying to collect.
Can you imagine sovcits unintentionally doing societal good by sovciting debt collection agencies? The mind boggles.
I seem to recall that step one if you get contacted by a debt collection company is to ask them to verify the debt and that tends to put them on the back foot for a bit.
I was mostly musing on the schadenfreude of sovcits unleashed upon debt collectors. Your advice (or probably anything other than pretending to be a sovcit) is almost certainly better for someone actually going through debt collections.