I think the important bit is to pay attention to what the successful do differently from common sense advice, not the bits that everyone follows. For example, Elon Musk's housing choices when traveling, Steve Jobs' higher education, Tesla's approaches to thinking.
I don't think those are the defining factors of why they got famous or successful out of all the highly intelligent and hard working people out there. The fact that they got famous brings light to their ideas, which makes you think there's something special about them.
You'd be surprised to find many many many highly intelligent people out there with clever way of doing things, and I'd argue no less intelligent than elon musk or jobs or any other famous person. Our culture right now worships successfuly entrepreneurs as Gods with amazing brains who cracked the problem, but really it's more of luck and being at the right place at the right time.
I certainly think it's worth trying them. And I believe in trying anything three times before giving up.
I think the quirky information which you have to dig up is much more likely to be the "secret sauce" than the all-to-familiar stuff which almost everyone is doing.
