Agreed A LOT of successful founder stories fall apart when you dig below the surface.
Being born to parents rich enough that you could pursue an expensive education at a prestigious school, possibly beyond a 4 year degree. And then have the luxury of falling back to "living at home" with parents who own a home in a HCOL area where all the action is like NYC/SF/Seattle/Boston. And finally falling back on parental skills or connections because being in a HCOL area, they are distinguished professionals themselves who can give you legal/sales advice or hand you your first customers.
My parents handed me the newspaper with lawn care jobs circled when I turned 16. If I didn't succeed in college, and get a good job.. living-at-home would be in a shared bedroom with a younger sibling in an exurb.
And I was STILL lucky, probably in the economic top 10 or 20%, because I had a home to fall back on, 25% scholarship + 50% family funding which left me with minimal loans.
Most of these success stories are from kids who started in the 5% and got into the 0.1%.