Just to mind you that the last 21 millionth supply of Bitcoin is going to be mined somewhere around 2140. And we're all dead by that time. I appreciate the calculation and all of the theories.
Thinking of someone should own just a few mBTCs is fine if we're all covered with this study. But not everyone is going to own Bitcoin and the mindset should be like this;
Accumulate as much as you can and let yourself be focused on that process before it's too late. The biggest companies are taking themselves busy on the accumulation while the individuals have been distracted and still doubtful about this financial technology shift.