So many rhetorical questions and arguments about such a fate so soon after such a life experience...
Was his brief trip to "space" worth it to himself, others, and humankind, in the grand scheme of things?
Yes and no. BO has stuck itself with tourist capabilities, on the other hand inspiration4 was more groundbreaking. Also, what's the point of your question? He died in a plane crash (rip) not a rocket malfunction.