From the article, which you apparently didn't read:
In the United States, we usually don’t autopsy people unless the cause of death is mysterious or foul play is suspected. In fact, we autopsy less than 5 percent of all deaths.
In the United States, we usually don’t autopsy people unless the cause of death is mysterious or foul play is suspected. In fact, we autopsy less than 5 percent of all deaths.
> considering autopsy is done on every body
what I meant was, even if every body is autopsied, it wouldn't make sense