So, where are we and where is Western society vis-a-vis this type of political trend described by the OP? Let us think about the two countries you hear most about from casual sympathizers of the far-right: Japan and Israel.
Japan is not an explicit ethno-state but for all intents and purposes you can say that it is. It has a very restrictive immigration policy and due to its history as a fascist state in the interwar period it has entrenched racist practices–these were never challenged, even by the Occupation government, because of Japan's importance as a pillar of capitalism and reaction in Asia. Japan is one of the few Western countries where ethnic discrimination is not illegal, it is not uncommon for Japanese bars to have signs that read "Japanese only". 98.5% of Japan is also Japanese and despite some recent signs of liberalization it would seem that most Japanese expect things to stay this way.
japantimes.co.jp/opinion/2018/06/03/commentary/japan-commentary/face-reality-racism-japan/#.WyRzfi2ZOi4
Identitarian liberals have shied away from talking about Japanese racism for sometime because they see it as a "white" Western problem. The truth about Israel is only just now percolating into public consciousness and for many decades all of Israel's atrocious behavior has been justified by the Holocaust. So, it is interesting that the far-right chooses 1. an Asian society 2. non-Christian part-Arab society as a bridge-stone for the kind of conversation they want to have. Simple-minded liberals usually do not know how to argue against these examples and so they usually result to abandoning the conversation or saying "we'll its okay for them but not for us"
What's more if you look at Japan and Israel, it is difficult to say that life there is qualitatively better than in modern multi-cultural Britain, the US, France or Germany. Japan, for instance, enjoys all the benefits of a first world society without having to micromanage the disputes and friction of competing ethnic groups within the same state.
While Westerner's are being persuaded to open up their societies to mass immigration during a time of austerity, stagnant wages, slow-economic growth and stagnant population growth/declining birth-rates, Japan is doing just fine. Angela Merkel has told the German public, for instance, that they must accept more than a million refugees and at least part of this has been justified by a need to continue to fund a shrinking welfare state.
Japan, does show an alternative; while it is no longer as economically dynamic as in the past, it is still incredibly influential in the cultural realm. Instead of importing millions of Third World workers (or even foreign-workers of any type!) to "sustain the welfare state/grow the economy" it has allowed the deficit to balloon.
The result has been a non-disaster:
ft.com/content/e26d36e6-918b-11e7-a9e6-11d2f0ebb7f0
Not only is Japanese debt payable for the foreseeable future but Japan's growth rate is still largely competitive with the West despite its shrinking population. The real disaster of Japan for liberals is similar to what Zizek has said about Poland, in that, in comparison with the rest of the capitalist world, it isn't exactly a disaster…
Meanwhile, Western workers are asked to undergo increasing sacrifices and dramatic social changes, which even if they are held to be desirable, does not exactly make them easy. Japan and Israel show that in comparison to the "Open Society" propounded by Western liberalism, "closed" societies can actually do quite alright…
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