It's not that shaky. Averages are averages. A very-long-term average is not that unpredictable. People just don't like hearing that their selfishness is getting

It's not that shaky. Averages are averages. A very-long-term average is not that unpredictable. People just don't like hearing that their selfishness is getting people killed, so they demand unachievable standards of evidence.