>>These adventures require so much energy that they will only ever be availible to an elite nanopercent of the population
The cost of launching to space has declined by orders of magnitude over the last 50 years and can be expected to decline by orders of magnitude more in the coming decades.
At one point, air travel was reserved for the richest of the rich, and today hundreds of millions of people fly every year. There's no reason the same couldn't happen with space flight.