The emotional temperature within Belgium is not as bored as you make it sound.  People are frightened, especially the French of the Flemish.  As the EU disintegrates nations, it provides an umbrella of sorts, but one probably of limited duration.  Once it splits open, the trouble will really start as the nations that contained local wars for generations will be so disempowered.  That is why the EU should be a trade deal between nation states and not a replacement.  All empires come to an end, and that's always when you get the wars...Austro-Hungary, Soviet etc