Some combination of "I am an optimistic guy and like seeing the good in everyone", "This is, like Silicon Valley, a very small town where everyone knows everyon

Some combination of "I am an optimistic guy and like seeing the good in everyone", "This is, like Silicon Valley, a very small town where everyone knows everyone and where making friends is higher expected value than making enemies", "There exist people / organizations I care about which gain or lose karma in proportion to myself and I feel responsibility to not damage their interests", and "I can be trivially deported."