Moving a wiimote+ left to right and seeing link swing right to left and down or something else completely unrelated makes me very angry. So does flapping a remote to fly upwards.
Not including a CD drive in N64 and thus encouraging 3rd parties to jump ship and thus making me buy at least two systems if I want to enjoy both Nintendo software and 3rd party software makes me angry because it costs me more money to this day.
Making a system that looked like a purple pre-school toy, one flagship title called "sunshine" and another that looks like a child's cartoon all in the span of one game generation, making me embarassed as a grown man to have their product in my living room (and thus it was never purchased) makes me moderately angry as it meant missing out on good games.
