Wake up.
What dream are you guys in that say if the dollar collapses people will want bitcoin so bad that is pushes it past a million dollars each??? The only reason why it'll cost a billion dollars each is because paper currency will be worthless & unfortunately by all these places typing BTC to USD, your bitcoins will be worthless & won't buy anything anyway! People would rather use another less manipulated currency, print a completely new currency, use gold or silver, make new coins similar to gold & silver, or many manyyyyyyy other possibilities before saying hey, lets use bitcoin! LOL! WAKE UP!!!
If the dollar collapses, people will run to anything that can hold a value against it. And when the people realize bitcoin can actually hold a value just as good as gold or land or antiques, collectibles, paintings anything that can hedge against the falling dollar, why the inconvenience of buying and keeping gold, some hundreds of years old antiques or paintings, why not just use the so much more convenient Bitcoin it's basically the same thing: a hedge against fiat.
Actually no, that's what you would want it to mean... but the rich people who run the earth do not value this little pyramid scheme as anything! So you will be stuck trying to convince people to take your useless digital currency anyway, basically the same way you guys are trying now