[userulluipeste]

"The meaning of nationalism (and tribalism) is not clearly defined"

Wikipedia would have been helpful: "[Nationalism] can be expressed as a belief or political ideology that involves an individual identifying with or becoming attached to one's nation." "Tribalism is [...] a way of thinking or behaving in which people are more loyal to their tribe than to their friends, their country, or any other social group."

None of these in itself implies that it also has to bear a negative emotional charge of any kind. I think you're confusing nationalism/tribalism with xenophobia.