Because most people wanna keep their fake coin ;b
DON'T. LET. PERFECT. BE. THE. ENEMY. OF. GOOD
It's still European, even though not ideal. Let's leave US companies first, then curate EU companies
Some supermarkets have the carts conected to each other in a way that only lets you use one by putting a coin (or similar, like these tokens) into its slot, and you recover it once you connect the cart with the other ones again