NASA space psychology subjects ending 8 months of isolation

[Warren DeMontague]

4. These are people who are extremely dedicated and believe in what they're doing, and why.

It is kind of offensive to suggest that these scientists "should" be replaced by, I don't know, work release inmates or something.

You're casting about for a solution to a 'problem' which no one here is complaining about. A lot of people very strongly want humanity to get to other planets, and they're willing to make extensive personal sacrifices to achieve that goal.

None of these people are being forced into this gig.