Earlier quoted context omitted.
Ehhh sorry, saying things like "I'm Albert Einstein and you're all just fucking monkeys scratching in the dirt" doesn't strike me as the speech of someone who's particularly nice. Most people (at least in my experience, you know, the one who's making the subjective judgement about him being a dick) can be angry without saying something pretentiously mean like that. It's ok for the conclusion here to be, "Rick's an as…
I don't know: in my experience pretty much everyone has a breaking point somewhere and once they reach it things can get pretty random. I've seen people I thought had it all together just completely lose the plot and disintegrate too many times to believe it's all bubbling away there, just below the surface, in all of us.
Similarly I can understand how an aggressive dog came to be (poor training, etc.). That won’t change my opinion that the dog should be put down when it mauls a kid, you know?