If thumbing your nose at the only conceivable source of significant funding desperately needed to restore the island (half) to any semblance of normality won't cause the government to fall, what would? Particularly if it happens often, over other (less important) stuff.

It is one thing for one person to ignore the plight of the citizens. For him to remain in office will require a majority of the members of Parliament to do so. Could become a very different dynamic.