@Tophat_Haze: I'm sorry you didn't enjoy the experience so much. There are certainly several parts where I could have been just a little clearer.
The sound's not a metaphor; that is an actual car crash. I think you looked at the beginning a little too close.
I regret having the student say that. Like Neo said, it was to demonstrate how some aspects are mutually exclusive (even if it ended up only demonstrating the optimism/pessimism choice). The Internet comment was just a joke that I probably should have kept to myself.
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