Folks like to think they'll make a course or write a book and rake in $1M USD overnight, and miss the years of value that successful folks provide their audience.
When I first saw all these devs making "$500k in 3 days" (Josh W Comeau), I wondered wtf. But when I started to look into their stories, they were doing stuff for years: sharing things for free, starting and failing with side projects, etc.
Being a different set of data, it would look different, and also not particularly interesting in the way that including still births and childhood accidents/disease into a crude average is not a particularly useful way to answer the question "What is an average lifespan?"
Folks like to think they'll make a course or write a book and rake in $1M USD overnight, and miss the years of value that successful folks provide their audience.