Even if they had did anything useful in closed indoor spaces, you're already outside in a crowd with wind dispersing particles off in every direction. The efficacy of wearing masks vs. not wearing them would be nil outside.
Not to mention that in the case of flu viruses, sunlight truly is the best disinfectant. There's a reason that flu viruses are so much less virulent in the summer. Sunlight kills it. Covid infections were negligible in the summer to begin with.
Even if they had did anything useful in closed indoor spaces, you're already outside in a crowd with wind dispersing particles off in every direction. The efficacy of wearing masks vs. not wearing them would be nil outside.
Not to mention that in the case of flu viruses, sunlight truly is the best disinfectant. There's a reason that flu viruses are so much less virulent in the summer. Sunlight kills it. Covid infections were negligible in the summer to begin with.