> Using a bakery as an example, implementing API keys is like making customers fill out ID cards and come to your bakery and present ID every time they want a s

> Using a bakery as an example, implementing API keys is like making customers fill out ID cards and come to your bakery and present ID every time they want a slice of bread. Your policy is "Sorry we do not provide loaves to customers." You don't need ID cards because you can see the customers faces (biometric). If a customer is disruptive, you can easily enforce a policy of banning them.