I have said before that identitarian political parties will have limited success, and will remain marginal, until such time the West regenerates itself culturally in a manner more congenial with tradition—that is, until there is a paradigm shift at the cultural level. Having said this, The Netherland's ban on Halal and Kosher butchery indicates that there is scope for the abovementioned parties to contain the damage caused by the egalitarian project by exploiting ideological contradictions, and turning Leftists against themselves. It's not a solution by any means, but it is good exercise for mind and body. You can read the article here.