Only an imperialist with global ambitions would claim the entire planet as his homeland.
>includes other countries too, which is what many people don't accept
You seem to be the one who cant accept that there are other countries that are not for you. Nationalists understand this quite well actually
>nationalism isn't about loving one's country rather than not loving other people ones
Wanting your nation to be sovereign and free of foreign influence is not the same thing as hating other countries like you insinuate. Was Gandhi evil because he was a nationalist? Was Nelsen Mandela? Was Crazy Horse?
what's your take on jewish nationalism and settlements in the west bank?