Don't let the title of this video fool you. It's also about now.

Listen carefully to the reasons WHY most lockdowns and quarantines failed during the Black Death.

Most. NOT all.

Nobody is advocating walling up people with COVID in their houses. But where the government acted promptly, decisively, and consistently, the plague did comparatively little damage.

Though people acted like idiots then, too. Too bad that so few, then or now, simply did what was perfectly obvious to anyone with an ounce of common sense!