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Speaking of which, back in sixth grade, we were doing experiments regarding porosity, and guess what? Air and liquid water travel more effectively through gravel than sand, not to mention that a blanket can suffocate a person, especially an infant, even with pores larger than air molecules, you don’t have to be smaller than a molecule of a gas or liquid to reduce the flow of the gas or liquid. Someone who says that just having pores larger than water or air molecules doesn’t inhibit flow do not understand fluid mechanics.

Actually, a filter by definition does not inhibit the flow, it only restricts it. Someone can suffocate on a blanket or pillow because it doesn't allow enough air through, not because it doesn't allow any. But for a filter to not allow enough aerosols through/around to prevent any spread of most viri, needs to be much better than your N95 that A) is only rated to remove 95% of particles at B) 3 microns or larger, and C) is not sealed. And I'm sure you can't argue much about how a bandanna or scarf is an acceptable "mask", when the best they filter is sand, maybe some dust, and just get damp? And warm, a great breeding ground for bacteria!

And if you started studying porosity, you definitely looked at fluid resistance! What does a fluid do when something slows it down? It follows the path of least resistance. And where is that in your mask? That's right: the top, bottom, and both sides. 50-70% of your breath isn't even getting filtered, it's simply flowing around the mask and still contaminating your environment.

And I won't even get into proper disposal methods, but it's a good bet no one is following those!

Hardly anyone except doctors and nurses follow them. Or people working with genuinely hazardous chemicals, like I did. Genuine hazards such as mold spores, dust, or aerosols, are such that you DO NOT TOUCH your face until you have removed the respirator and washed your hands. Hardly anyone does that.