Why do humans judge others by looks?

It's natural as living beings to use our senses to judge things. These things used to be threats to our lives, but as we have evolved as a species it has turned into seeing if someone is hot or nawt baybe

humans nature mate, lot of people are hating me in here for no fucking reason (or bcuz i'm a muslm idk)

well i dont really know in todays world if you are ugly you are hated, i dont know why... and in school its worse

I don't know, humans are just odd. Luckily i am not a human.

It's literally the first thing we see when we first talk to someone. It's a brain thing, we can't exactly "change" it like you would something else.

As long as humans exist, this will always be a problem. You can ask anyone that is literate about the saying "don't judge a book by its cover," and they will most likely know that means. At the same time there will always be people who judge by looks cause they feel like they are better than the other person. Another word for this explanation is racism. Why does it even exist? Because people like to put themselves over others.

me buy hand you man sorry dude it no english its french man it beautiful

It's natural to assume who and what someone is based on looks. This isn't limited to humans too, it happens when we look at objects or animals.

I guess because it's easier !
The human brain is lazy so by judging another person by his looks (The only public thing that this person is showing) he will have a general idea where to "put" that person in his virtual array so he will have an easier time making contact with him.
Even if we try to avoid this it will always be happening in side our brains !

I think it has to do with our survival instincts. If you have what's considered good you're more likely to survive/be happy.