> That's a trendy synonym for group-think. There are plenty examples in history where group-think went sideways. It's not what echo chambers / group think are

> That's a trendy synonym for group-think. There are plenty examples in history where group-think went sideways. It's not what echo chambers / group think are per se, it's what they're not. They're not open to other possibilities. Blind spots? What can go wrong?