The people who don't like it tend to dislike it intensely. That's unfortunate, but not surprising when one deliberately goes against audience expectations.
But now that the guerrilla fighting is over, the Spaniards are again men without a country or families or homes or work, though everyone appreciates very much what they did.
The other salient characteristic of the Declaration is its universality: it applies to all human beings without any discrimination whatever; it also applies to all territories, whatever their economic or political regime.