If you want to see the dangers of this kind of moral leveling, take a look at some of the texts written by 19th century historians. They justified colonialism by focusing on the numerous ways in which Asian, African and Native American peoples had moralities that were different from ours. This made it impossible to appreciate the wisdom and artistry of these cultures, which justified the conclusion that these people were unredeemable savages who couldn’t govern themselves. More on this here: https://medium.com/@teedrockwell/why-context-matters-for-morality-a-reply-to-tim-wise-21e79886401a