It takes real courage to stand up to a request in those circumstances. A notable example from a few years ago was this nurse [0] who was unlawfully arrested and forcefully dragged away by an officer when she refused to take blood samples from an unconscious patient without a warrant.

Imagine how much more difficult it would be to resist this when you're a clerk in a retail store working in public.

[0]: https://apnews.com/article/321440980fd54809a5bf8e404cfe4367

(Edited to add context)