Maybe they're:
1. trapped in their Whole Foods NYC filter bubble?
2. they've seen too much in their densely-packed, urbanite existence where there is little community or reputation management?
https://www.youtube.com/watch?v=D2C5rnVC8QE&list=PLmiHNp6eb6...
3. American and so presume they have it "good so everyone must be good too," when the society is actually more unequal than ever like a Brazil or a Russia?