All im seeing is examples of the perverted concept of morality. Everyone has a different idea so there must be no consensus, which is wrong, there is a common idea of good and evil that exist.
Your idea that "everyone knows what right and wrong is" is so flawed that I can't even begin to figure out how to explain it except to say that, No. Not everyone knows right from wrong. They truly don't. Making the assumption that "Everyone knows" is just crazy. Heck, in life black and white good and evil right and wrong... it ain't that easy. Most stuff falls in the grey.
Let's do an example from real life. There's this village, and this village produces resources that the distant villages around them also need, but don't produce enough of. So those other villages start raiding this village for its resources. They come, they kill, they take what they need. Now the village that is producing these goods faces all manner of issues, not enough food to feed everyone, not enough people to work the fields because many workers were killed, the list goes on. So that village decides to do some raiding and pillaging of their own. They go out and raid the villages that raided them, they take back what they can. Some years go by, and that first village is once again raided. It seems the other villages didn't learn their lesson. So this time when that resourceful village decides to raid the others and take back what was theirs, they are utterly brutal and unstoppable. They kill indiscriminately, they make examples of people, they rape, and burn until nothing is left. They go out of their way to make sure that these people will never think of harming them again.
On the one hand the argument can be made... they went too far, what they did was evil. It was wrong.
On the other hand the argument can be made that they did what they had to do to prevent further harm from coming to themselves.
But what happens when we go a step further? That village has now conquered the villages that were initially raiding them. They're holding that land and that territory. But because they're holding that land they now have new neighbors. Neighbors that haven't seen what they do to people who raid them. So, in an effort to preemptively defend themselves they go out and conquer more villages and cities. And everywhere they go they're brutal. They make it known that you will surrender to them or the worst thing you can imagine won't even come close to what they do.
So, evil right? But is it? How many times would you watch your home and your friends be killed before you decided that a little preemptive justice is called for? What's more evil, to allow your friends and family to be killed, or to stop harm from coming to them before there's a chance for it to happen?
The point is... there really
really is no common idea of good and evil. There's an idea of good and evil that
many people agree with, but that doesn't mean everyone feels that way, or believes that. It's just silly to think that your idea of good and evil is what everyone believes.
(Bonus points to anyone who knows what the above example of real life morality is about)
Edit: tldr; No, there's no universal concept of what is right and wrong.
