In general you don't become and stay a bilionare just by pure luck, you have to be very inteligent and ruthless, no moral qualms.

" Zuckerberg: Yeah so if you ever need info about anyone at Harvard

Zuckerberg: Just ask

Zuckerberg: I have over 4,000 emails, pictures, addresses, SNS

[Redacted Friend's Name]: What? How'd you manage that one?

Zuckerberg: People just submitted it.

Zuckerberg: I don't know why.

Zuckerberg: They "trust me"

Zuckerberg: Dumb fucks "

https://en.wikiquote.org/wiki/Mark_Zuckerberg