If Brussels shows anything.. it is the bankruptcy of 'multi-culturism'.. the denial that any special and transcendent cultural worth issues from Christianity, even within its own borders or aknowledgement that this forms the foundation of Western Civilization.
And that pockets of antithetical cultures and religions should not only be tolerated but encouraged... spurred on by an incessent drumbeat of condemnation of "Christian oppression and imperialism" in the popular press.
The inevitable result is hermetically sealed cultural ghettos like Molenbeek.. where terrorism and gangsterism flourish.. that reject the Christian culture.. but more adamantly.. the post structural, post Christian, neo-gnostic culture that champions moral relativism, radical individualism and feral eroticism that pervades the West's ideals now.. and is equally irreconcilable to Islam and Christianity.
Look carefully at the background of these terrorists and you'll see none of them were devout Muslims..they were petty crooks, drug dealers and armed robbers.. who were radicalized by an embedded network of procurers for ISIS in Belgian or French prisons. They were born and educated in Belgium, often in well off families, but have remained for generations completely unknit into the Belgian social fabric.
For all of the crudeness.. and sometimes demaguogery of Trump's statements.. he has touched a nerve by exposing a failed system. This does not call for persecution.. but it does promote the principles for immigration of retaining a traditional cultural archetype born of its origins. That is of a cultural melting pot rather than a untossed salad.
It enrages the post structuralists because it does not capitulate to the establishment line of refuting any special interest in the West retaining its Christian roots and character.