With all respect to Shatner (first canadian space tourist iirc) I dont take much from these narratives. A rich/famous/connected person does a thing that we all want to do but cannot afford, something that requires insane amounts of energy/pollution. Then they turn around and talk of the profound experience and how it has made them a better person. Big deal. The pubic good is limited to a few interviews and an article…
But Shatner is an actor? I'm not sure I agree with the implication that one type of artist is better to send than another but I do agree that maybe we should consider the frivolous waste of sending people to space for joyrides when the cost is so high.
Each manned space orbital launch has massive spin-off benefits, and brings forward the day when space flight is accessible to the masses.