In the words of Robert the Bruce, “History is often written by those who would hang heroes”.
Two of the three reasons are canards cribbed from the DNC. Citing “Invading of Iraq” begs the question. If in the future that proves to have been a mistake Bush will look bad if not he will look good.
The failure to mention protecting Americans from another 9-11 as a significant positive achievement, even if you disagree with everything else about the President, is a clear bias.
A president that was a complete failure does not get reelected, also.