I have made myself three masks. Each one is washed after wearing. So I am not depriving any NHS worker of equipment.
I wish people would stop writing as if anyone wearing a mask was an idiot and not aware that masks have there own problems. We have variously been told that it will make us touch our faces more often because we will feel invulenerable. No it wont't, we are quite aware of that danger, now it is being assumed that we will wear one mask constantly and not wash it regularly, no, we have worked that one out as well, then it is assumed because we are wearing a mask we will not wash our hands keep our distance etc etc. or do any of the other things we have been told to do. Yes, all these things are possible, but are not the inevitable result of wearing a mask.
I have had a bad cold for the last week, coughing and sneezing, runny nose, no it is not covid. My masks, mean that when I go out once a week to do the shopping I do not cough and sneeze over other customers in the shop. The aerosol from a cough and/or sneeze can travel a lot more than 2 metres.
I also do not cough or sneeze into a sleeve and then rub the sleeve up a set of shelves when reaching for something on the top shelf spreading any bacteria or viruses over the food on sale or the shelves themselves.
I have made a thoughtful and considered decision to wear a mask in shops, as have most mask wearers, and I am well aware of the problems associated with it. There is growing support for the belief that a home made mask is not as good as a medical mask, but it still can be effective in giving some protection to wearer and those near them. hfullfact.org/health/coronavirus-public-wearing-masks/
I wear gloves as well. Lets now have a slew of posts telling us of the dangers of wearing them twice, disposing of them safely etc etc.