Kymlicka’s main thesis is that we need nationalism to foster a sense of social solidarity, but that it needs to be combined with multiculturalism to avoid becoming exclusionary or stir prejudice.
Bauböck is sceptical that promoting the nation can help reconcile social solidarity with support for opennesses and diversity, what he calls “the progressive’s trilemma”. Instead, he argues that we must look for political community across, below and above the nation state.