Unless we have a fool-proof self test kit that is so cheap to mass produce and distribute so everyone can use it every morning by simply dropping saliva and the

Unless we have a fool-proof self test kit that is so cheap to mass produce and distribute so everyone can use it every morning by simply dropping saliva and the result is available within 5 minutes while the probability of false-negative/false-positive are practically zero, A Third Solution the linked article suggested never happens. There are 7 billion humans in the world. Even the very low probability of false-negative lead to millions of infected people go outside, or millions of healthy people rushed to the hospital for detailed test every day.