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... 
You are correct.they don't know about bitcoin but that is a good thing for those who has know about bitcoin because they can earn more than what they expect.We cannot say who is the richest in bitcoin.The founder of bitcoin maybe.