So is this sanitary when buying meat at a grocery store?

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Every time I have always bought something from the meat section from a grocery store they put it in a plastic bag or on a large sheet of white meat packing paper when weighing it.
Today I order 2lbs of bacon, she get a sheet of like 6x4 paper and proceeds to slap on the bacon, meanwhile the bacon is touching the metal scale about 2inches on each side and overhang....
To my knowledge this is unsanitary, am I wrong? When I asked her if she had a plastic bag to put it into because it is touching the scale she sort of gave me a laugh/are you serious? snicker... She asked if I wanted it, I said no, not touching a metal scale.

I went to look for the manager, not only because it seemed unsanitary but because she should have just said you are right and redid it the correct way. He was in a meeting and I found the loss prevention manager, I explained to him and he looked at me like a deer in the headlights.

Maybe I am wrong and there is no care for meat being sanitary, have you ever noticed it? Would you have accepted it? If you worked in a grocery store, what is the policy?
I don't know why I am bothered by this, maybe it was the snicker/laugh/are you serious from the employee, or the deer in the headlights look from loss prevention who couldn't find me an assistant manager and seemed to look at me like what's the problem?