I can only remember 1 person who thought masks caused carbon dioxide to accumulate in your lungs, although their memes were so shitty they might have been jokes
They're all over the place here. There are people going around to all the school districts (ones they don't belong to), and arguing this to stop mask mandates.
"MASKS DON'T TRAP THE CORONAVIRUS - IT'S TOO SMALL. AND IT TRAPS CARBON DIOXIDE AND CAUSES BRAIN DAMAGE."; THE CORONAVIRUS HAS A DIAMETER OF .1 MICRONS. IN THE ENVIRONMENT, IT IS CARRIED IN WATER DROPLETS 1 MICRON IN DIAMETER. SURGICAL MASKS AND MANY COMMON COVID MASKS ARE EFFECTIVE IN STOPPING THESE WATER DROPLETS. CARBON DIOXIDE MOLECULES ARE .00033 MICRONS IN DIAMETER. ONE VIRUS TAKES AS MUCH SPACE AS 28 MILLION CARBON DIOXIDE MOLECULES. THE WATER DROPLET CARRYING THE VIRUS TAKES THE SPACE OF 28 BILLION CARBON DIOXIDE MOLECULES. TELL ME AGAIN HOW A MASK CAN'T STOP COVID, YET TRAPS CARBON DIOXIDE MOLECULES 28 BILLION TIMES SMALLER.