Elon was lucky to be born in a rich family. Made his first 100k before 18.
Felix was lucky to be born in time to ride that hippie wave.
Just like some people were lucky to throw money on bitcoin in 2010~2015.
Still more should be a credited to chanse and luck.
"In 1969, Dennis wrote a world exclusive for OZ, the first ever review of Led Zeppelin's debut album." - talk about right place, right time. From there, he gets promoted to co-editor, gets hugely famous through a court case, which lets him start his own publishing company, and the rest is history.
(I'd say there was a lot of luck involved but he also seems to have reasonably good judgement and foresight to take advantage of it.)