Everyone want to become millionaire with Bitcoin but it is not so easy mission. I think even if Bitcoin help us to improve our financial statuts and to earn our living or adding some extra income for us, that's not bad at all.
Yes, everyone has the willingness to be billionaire. Now user has got an opportunity to make it possible with bitcoin, those who adopted earlier has got benefited or became a billionaire. As mentioned it's not an easy task as people in a large scale were getting into the bitcoin community.