Everyone knows how they want to be treated.
If you have an irritant in your eye and someone volunteers to help get it out of your eye, you know exactly how you would want them to go about helping you remove it.
Because of this, everyone innately knows what righteous judgment looks like when they are its recipient. Therefore, they also innately know what it looks like when they are its practitioner.
Jesus gives the final characteristic of righteous judgment with this extraordinarily simple yet profoundly practical instruction: “Therefore, whatever you want men to do to you, do also to them, for this is the Law and the Prophets” (Matthew 7:12).
Everything taught in the Old Testament is designed to teach you how to live righteously before God and conduct yourself righteously with your fellow human beings.
The Holy Scriptures are designed to make us wise (2 Timothy 3:15). To be wise we must exercise righteous judgment.
Judging others how you want to be judged is the final characteristic of righteous judgment.