Linus makes the Linux kernel without expecting benefits.
USA start a war against German and Japan in ww2 without expecting benefits.
Some times we should not think about benefits, just we will do it, if its the right thing.
A child never will not born for benefits.
It just born cuz thats only true way to be alive to learn walking well, thinking well and speaking well...
With humans, with computers.
Linus never said that to himself forget that it have not benefits.
He continued without having any observer for his work.you know why?
Cuz its the only way to do it without reversing the rules.
And at the end he reversed the rules!