Call the store tell ask to speak to a manager, tell the time U were there, and explain the situation and describe the person.
How bad was the interaction?
I would talk to store mngr first.then get number for main office and file complaint there.and when your done.put the public know.put it right here so that everyone knows.therefore if they don't do anything you will give them some well deserved shame.cause without us the customers there would be no wholefoods or any other business.thats why so many are going out of business.dont be afraid to stand up for what you believe in.and noone has a right to disrespect you.i wish you the best.
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