Space is the future for numerous reasons. The asteroid belts are a goldmine of resources. There is a ton of cheap solar energy available for manufacturing in orbit or re-transmission to planet-side. The scientific discoveries and technological innovations that result from space exploration will have huge benefits. So space programs are very desirable.
As far as billionaires going on joy rides into low orbit is concerned, it is effective marketing. People are talking about it. They are getting angry
about it, but you know what they aren’t doing? Talking about how dangerous it is. Because by staking their lives on the trip, those billionaires have sold the public on the idea that blasting into space on their rockets is safe. The public now believes that going to space is a safe endeavor. Huge marketing win.