At the cellular level it’s a numbers game. The more enemy combatants, the sicker you will be. The more exposure to the virus, the more viruses you’ll have in your body, the more intense the symptoms.
Hospitals don’t have great access to fresh flowing outside air. So as they fill up with infected people the air just becomes a cesspool of virus.
It’s a good recipe for making a lot of estimation errors. Worse, it will leave you feeling more confident than you should be. Then, when you least expect it, it’ll blow up in your face.
How do I not lose money? - Don’t gamble.
How do I not not make money? - Take more risks.
A true inversion with a negative works better than the not-not structure, and it is easier to wrap your head around.