Earlier quoted context omitted.
Wow! We're talking about wearing a face mask for a short amount of time in very specific situations here, a tiny inconvenience which has proven benefits for a broad swathe of the population (not just the old). No one's asking you to lock yourself at home and not see friends and family. Wearing a mask on a plane is going to reduce the chances of those more stringent measures being put back on the table. Also, not ever…
> proven benefits Why did the DANMASK RCT fail so spectacularly? > Also, not everyone is selfish, you're projecting the way you see the world onto other people. Uncalled for. You might consider that to impose your views on others could easily be considered far more selfish than someone unwilling to participate in an activity, even one with such unimpeachable, proven benefits .
Because it had too few participants, or happened when the overall infection rate in society was too low. The number of infected in both groups were too small to conclude anything confidently.
If I remember correctly the group without masks were infected about 20% more than the group with masks, but since the absolute numbers were too low is could have been due to random chance.