Neither of you have comprehended the part of my post where I talk about myself and my own skills. Hiding behind the sarcasm tag to take the piss out of people

Neither of you have comprehended the part of my post where I talk about myself and my own skills. Hiding behind the sarcasm tag to take the piss out of people younger than you, I don't think that's very funny. The magnetised needle and a steady hand gag from xkcd, now that is actually funny.