The author of this video quotes RCT (randomized, controlled tests) which have been done as recently as this year. These are scientific tests conducted under controlled conditions.
There findings all agree, that the use of an N95 mask did nothing to control the spread of a virus such as covid 19.
He realizes this is contrary to what we are being told, over and over again and he challenges anyone claiming the efficacy of wearing face masks to produce a RCT to support that opinion.
According to Anthony Fauci who was by the Presidents side since the start of this crisis. If a picture is worth a thousand words, then a video is priceless. Listen to what he was saying just a short time ago.