In the U.S., there are 13.6 million people with $1 million or more in wealth. So we are not in a bubble yet,,, they did not buy in yet.
In addition to that, USA is just one country in the whole world and with the massive population of the world, couple with advancement in technology and the quest for freedom by the teeming large population of the youth, then all I can say is that, this is just the beginning of a new thing that we ourselves will be surprised on the amount of impossibilities that would be possible with bitcoin.