And they are always so surprised by it, it's amazing.
What shocks me is how many there are. Throw a few sovcit buzzwords into Facebook search and all kinds of them show up talking about how all things are free.
There's a LOT of nonsense with Sovcits but you basically just need to understand a couple things. Sovcits basically believe that the government has some secret account with millions of dollars in it in your name and that there are some equally secret methods to access that money. So basically this "coupon" would try to pay for goods using that secret account, using a secret and convoluted process, and using magic legal jargon.
The bank just said, "Sorry, we don't accept whatever this nonsense is. Plz send real money."