>>11959959This video is from March, lol. Since then, the a lot of evidence, ranging from direct testing of the efficacy against airborne particles of different, commonly used mask materials, to population analyses and analysis of effectiveness of different countrie's Coronavirus responses, to multiple case studies confirming the protective effect of masks, was published. Just takes max 10 minutes to find all of this.
If you still don't believe it, you should go and see a doctor to check for proper brain function and perhaps stop being a literal mouth breather, it might explain your poorly developed jawline.