Do not judge, or you too will be judged. For in the same way as you judge others, you will be judged, and with the measure you use, it will be measured to you.
Anyone in responsibility must be ready to assess other people and know their character. The Lord is not speaking about that.
Its the uninformed readiness to label folk, and to act as if judge and jury when we are not called to do so. That does damage, not least to ourselves and to our relationship with others.
Daily Reading: Leviticus 11:24-47