[sokoloff]

The motivation to correct someone else who is (IYO) incorrect or to express your point of view is stronger in many people than the motivation to transfer money from your pocket to someone else’s without a direct quid pro quo.

More people will spend 30 minutes looking after an infant that might be abandoned in the cold than would give $1 to a beggar in the same weather, even though that 30 minutes is far more valuable. I will often shovel my neighbor’s sidewalk and steps while I’m already out there doing mine. I’d never pay someone $20 to shovel their walk. You can look at those differences and decide if humans are good to each other or not depending on which part you focus on.