Paranoia could be viewed as supreme egotism: why would everyone follow you? Why would they waste their time? Most things happen for reasons that have nothing to do with you. One thing I liked about this was it placed "normal" people in unusual, stressful situations and showed how they might react. Unfortunately, we often don't get a chance to work out our reactions in advance, as characters in a script. But it would be helpful not to strike back unless attacked. Maybe the point here was that anger can be useful, but ineffective if used indiscriminately. As dramatized in this family, there is a difference between "speaking your mind" and anger. Interesting plot twists, some implausible to some viewers. The ending summed up the message for me: why am I angry?