I guess I think it looks all right to me, for being outside and wearing masks. Social distancing, environment, and PPE are additive. I think this situation doesn’t look very risky.
If it does make a person uncomfortable, then by all means, they should not go.
Just to add to that Social distancing in UK 2 metres i.e. 6ft. Social Distancing in much of Europe 1 metre i.e. 3ft. The guidance this side of the pond is wear face covering i.e.mask when inside and social distance where possible meaning the idea of wearing a mask is to reduce the risk of you spreading or being exposed to sufficient virus to infect. UK is considering reducing to 1.5 metres.
The idea is this: If you cannot maintain a distance of at least 6 ft away from someone, you should wear a mask. If you are MORE than six feet away (when outside in particular), then wearing a mask becomes optional.
However, mandating people wear a mask at all times offers not only additional protection…but it then allows for the cases when you end up less than six feet away from someone, which is inevitable.