Recovery Scams Are... On Point?

If you are a long-time listener of the National Public Radio program On Point, you may have heard the December 20th, 2018 episode that had a hoax caller.
The caller began his call sounding reasonable, then pivoted to a racist rant.

Chakrabarti began to press the caller further, but ultimately decided to end the call.
“Dominic, thanks for your call, I guess,” she said before hanging up.
“Soleil, I did not see that one coming, so apologies for that.”

The excerpt in italics above is from the link below:
https://atlantablackstar.com/2019/01/01/boston-public-radio-station-offers-apology-after-hoax-caller-makes-racist-remarks-on-air/
That particular caller was not engaging in a recovery scam, but he was using a common tactic that recovery scammers use:
Begin your pitch sounding reasonable, then pivot to the scam.