Holy shit, I thought I had a learning disability. The guy just can't figure it out.
Discussion
You're at an advantage because you know how stupid you can be, this guy thinks he's smart.
Dunning Kruger effect. (I like to call these people mid-wits)
people with limited competence in a particular area, overestimate their ability.
—researchers also include the opposite effect for high performers: their tendency to underestimate their ability.