Because who needs actual knowledge when you can just pretend?
The Fallacy of Ignorance is when you're so confident in your wrongness that you think it's right.
It's like wearing a badge of honor, but instead of being proud of your achievements, you're proud of your lack of effort.
Example: "I'm not a morning person" becomes "I'm a night owl, a visionary, a master of the dark arts."
See also: The Art of Being a Victim