Judgement is Projected Incompleteness
0Incarnation into this world, into separation and duality, comes with pain, with suffering. From that we subconsciously believe were incomplete, and this comes with other negative self beliefs, coping mechanisms etc. After birth we latch onto our parents at the height of vulnerability, and are conditioned by them greatly as a result.
As adults many of us have trauma, conditioning and negative self beliefs - primary among those being a subconscious belief in not being complete, that there's something wrong or broken about us. But it's often easier to project it onto others than to confront that pain. Judgment, conflict and the like result, as we externalize that onto the world around us.
For example what we see as wrong with others reflects what lies repressed in our subconscious. That is where inner work comes in. Awareness is key in this respect.