What are some things that you strongly wish were common knowledge?

[Silver]

I haven't watched a lot of it. One thing I recall, someone was pushing some sort of plastic gizmo to use in the clothes dryer to soften clothes, instead of using dryer sheets (like "Bounce"). Neglecting any potential harmful effect from the chemicals in those sheets, the claim was made that those chemicals "clog the screen" in the dryer. That's, prima facie, absurd. No air would flow through the screen, and the clothes wouldn't be dried, if it was clogged.

If anything was to interest me, it would be this.