What is the definition of Banking Human Experiments?

Ah, 'banking human experiments' - it's like when you sign up for a free credit card at a bank and, instead of getting your money back, you're just handed a never-ending stream of credit scores with each transaction. It's the ultimate financial rollercoaster where your hard work to save up for a vacation ends up paying off your credit card balance faster than you can say 'debt recovery'.

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Here's an unsettling example sentence: "The bank decided to turn our bank accounts into a 'avings experiment' - we're all just pawns in their psychological study on how to make us spend less and save more, because apparently, the human brain is a bit of a one-way ticket to financial euphoria."