Most people in our area seem to be wearing something. For me it's a no brainer. After all if you sneeze or cough "most" peoples natural reaction is to either cover their mouths, turn away, or do both. Wearing a mask is an additional layer of some sort of protection. Not perfect but better than nothing.
It depends where you are really. Smaller, local shops in my experience seem to be where some don't bother. Maybe it's because they are in their own little local community so it doesn't feel necessary. I saw a line of four people queuing the other day without a mask so I stayed shopping until they had left.
Medical areas people seem to be a bit better. I had to buy some new glasses frames yesterday as mine fell apart, probably due to sitting on a wide nose bridge of a mask for the last two months! The opticians were very accommodating and book you a slot to attend. The only problem is you have to gamble a bit on if the glasses are going to be straight as after all most people apparently have one ear higher than the other. So you have a mask on and the optician in the current climate won't get their "nose bridge ruler" out as they would have to get in quite close. Thankfully mine seem ok.
Then after picking up an ear infection I needed to pick up a prescription at the local pharmacy. That was rather bizarre as it's right next to the surgery, so you had loads of people in one queue not sure who was going to the surgery and who was going to the chemist, which has a one person only format in place. After 20 minutes of standing in the rain I got in but my prescription wasn't there. My surgery had sent it to my usual delivery service despite me asking them not to do that on this occasion! So I had to ring the surgery and they brought a copy to the front door. All surgery workers were in all mask, gloves, aprons and yet they think we are not particularly at risk!! Anyway eventually the pharmacist came out to take a note of who people were so he could check if they had peoples prescriptions, and then proceeded to bring the prescriptions to the door. No-one signed anything, as you do usually, it was just a quick address check and off you went. Not sure how those who pay for them paid. However, all in the queue wore masks and socially distanced quite well, apart from one lady who got a bit close. Every time I edged a couple of feet to get further away, she responded. Then a little old lady arrived just as someone was coming out of the chemist and promptly ignored the queue walked past the lot of us and the person coming out and went in where she stayed for the next 15 minutes!! That was quite funny actually as none of us said anything!