The reason why you have to pretend you don’t know even if you know it

(1)This is disgusting.
(2)When I had a computer problem, I fixed it once or twice
(3)They’re also working on computers that aren’t even in their jobs
(4)Of course, my salary remains the same
(5)And then there could be a problem that I don’t even know
(6)I don’t know. I can’t fix it
(7)a man of incompetence