If that top cream of 1 percent open their war chest for the crypto then anything is possible. But as you say it is not just a question of investment but in reality these investors need a reason to come here and invest.
Speculative profiteering can only take us so far. We need real world use cases where the crypto itself becomes a base asset in fulling a demand of a free market economy. Once that role is established by a coin it survival is practically guaranteed. After that a million dollar bitcoin actually won't sound all that far off.