I have just been to Coviran, Arboleas and they are controlling how many are in the store. They are very well stocked and very busy, far more Spanish than I usually see but that may be due to them closing at 15.30. There were two people in there without masks, one British guy and one Spanish woman. However you feel about the efficacy of face masks, I feel strongly that you should wear one out of politeness to the staff that turn up every day to serve us whilst risking the health of themselves and their families.
One thing made me laugh. A lady left the store and took her disposable gloves off with her teeth