Looking for the good in the person or situation, but you know it really blows, so you just smile and say something nice even though you don't really mean it.
Michael wanted the people around him to wake up and realize they were idiots, but he knew that would never happen. So he sarcastamisticly told them they were right, and just walked away, hoping the tone of his voice would clue them in.
Being sarcastic - yet still being somewhat optimistic. Finding amusement in things that make others uncomfortable. Sardonic
Examples of sarcastomism:
You would being defined as a sarcastomist if as a postal mail carrier, that if you said to a customer that a perk of the job was being able to enjoy the weather no matter what it is.
You’re being defined as a sarcastomist if you were locked up in prison and able to watch TV but that you joked that daytime television was part of the punishment.