

You need to actually read the links you’re providing.
The buyer’s remorse one specifically refers to high-pressure sales such as door-to-door salesmen or a temporary business location (meeting a salesman in a hotel), or some subscriptions or delayed services. Nothing that would apply to buying a car without a really odd scenario.
And you can’t really compare it to “this scenario” because (most?) civilized countries don’t condone the buying and selling of people.
I was referring to the “sign the title over then regret it” scenario at the top of this thread.
…did billions disappear, or are they just paying a lot of money to own an entire country? Short-term cost for long-term gain.