Certainly, no tears would be shed in Beijing, which has long called for individual countries to settle their differences through bilateral talks, as one Asian nation to another, for which read: without the involvement of the United States.
Duterte appears to be merrily setting fire to his bridges before he's even reached the negotiating table - it's an unconventional tactic.
Perhaps this is all just a stunt - another masterplan from the self-styled strongman president - designed to play the two major powers off against one another.