It would be different if the game was an intended multi that Sony paid to keep off other platforms, but there's no use in throwing salt over this. This is a partnership between Sony and Kojima productions. If they're backing it, then they're going to reap the rewards. That's Konami's failing right there.
His rant went from anti-exclusive to anti-console, yet it's possible the game may come to PC. What point is he trying to make?