Is it tribalism to say Hitler is evil? Recognizing a universal negative isn't tribalism. The view that all things are equal and nothing matters is more so of the nihilist tribe.
Saying that Hitler is evil is not tribalism, it's the exact opposite:
1) you're judging an individual and not a group
2) you're judging him for what he did not for who he was
Saying that Hitler is evil is not tribalism, it's the exact opposite:
1) you're judging an individual and not a group
2) you're judging him for what he did not for who he was