On: Older mouse brains rejuvenated by protein found in...

[soco]

I'm not sure how "we" extract that. Wealthy people do spend money - on caviar and private jets for instance - should "we" be celebrating this as well?

[MichaelZuo → soco]

A lot of normal middle class and upper-middle class jobs are created by the private jet industry. The entirety of Bombardier is now focusing on private jets for example.