We shouldn't. Judging someone without all the facts is unfair and can lead to misunderstandings.
It's not right to do that. Without knowing the full story, our judgment is likely to be biased and inaccurate. We need to have all the details to make a fair assessment.
Definitely not. Judging prematurely without complete knowledge can be very unjust. We should wait to have a comprehensive understanding before forming an opinion about someone.