He could have been a great guy, but instead chose violence and oppression while in office. Repeatedly.
How much must one repent to balance out spreading terror across the globe? No matter how committed he is to changing his legacy, he will never be able to take back the suffering he helped cause.
You don't have to care what I think if you read and make an informed decision on your own. As it is, I suspect you didn't bother to read the link?