Probably a boring answer but I know my grandmother’s credit card information. I live with and help take care of her, so she doesn’t mind sharing it with me. Not like I’m planning to do anything nefarious, but I guess technically it could ruin her financially.
Yes, this advice about “just don’t be the one to say …” is 100% about covering OP’s own ass and not at all about it being the right thing to do.
Slimy.