Theres alot of people that didint they know that bitcoin is our new future. I all they know that theres many people are so rich even the poor man ever can possiblity to become a richer if he know how to work that bitcoin maybe the bitcoin will arise against to the people who needy some materials or anything that we needed... 
Bitcoin will provide all our needs in terms of financial, your right many people in the world become rich because of bitcoin but if you want to know who is the richest bitcoin user here I think you have nothing to get the answer because this is only the way and chance to hacker to attack to the said person if ever ever we recognized it.