[yummybear]

I'm wondering about this myself. I mean I can understand not wanting to put pressure on the health system by adding extra supply, but homemade masks - even a bandana, must ad at least some protection.

Even if it only reduces R0 by a few procent that would mean a lot?

[chrisseaton]

They say it creates a false sense of security, which makes people more careless, which spreads more infection.

[darkerside]

The cure for misinformation is information. People can learn to wear masks correctly.