Yes, common sense and experience DOES prove distance irrelevant. Total bullshit. Any time there is air handling in enclosed places, distance apart means nothing.
If the masks were so effective at trapping the virus, how come there weren't hazmat teams picking up the ones blowing around parking lots and stuffing them in red plastic bags? They should have been considered little biohazards blowing all over.
Public Panic yields Political Power. Never let a crisis go to waste, even if you have to pump it up.
Legacy Media, print and electronic, Social Media were busy censoring anything that went against the panic--at government behest, even to the extent of decrying viable treatments that have since been (grudgingly) admitted to be effective.
But in the meantime, at least no one died of the flu.

...and billion$ changed hands.