Marcella, I understand an aspect of what you say, and I agree, but I do disagree on a very important concept: it IS my business. It is my money they are doing that with.
Like you, I am not going to watch what they lay on the counter.
However, if I find myself in an environment where a person I encounter talks about engaging in that kind of treatment of money (given to that person by people like you and me) I will darn sure take exception to it.
If I didn’t have anything involved, I would agree 100% with you.
But because of the fact my money is involved, we disagree.
I almost asked her if she could run half of my groceries - that I'd brought coupons for most -- on her LoneStar card, since I was paying for hers!