No, it is because you consider him a jerk, a liar or incompetent. That really does not mean he/she is any of those. Especially considering your attitude, which

No, it is because you consider him a jerk, a liar or incompetent. That really does not mean he/she is any of those. Especially considering your attitude, which comes across as dismissive and self-assured. And what about "incompetent can't improve"? This is plainly wrong. We all were incompetent at some point.