What Senate Republicans have done is to intentionally turn the filibuster into a tool to stop the function of government. Put aside that the filibusters are fake. Mitch McConnell and his Tea Party caucus figured out that the filibuster can be used to shut down disfavored government agencies.
The world will shrug when Detroit's art collection is put on the block, when cops are fired, when schools close and when real people suffer. But don't pay back bondholders and attention must be paid.