Amongst Kissingers concerns, thwarting a truely decisive Israei victory, disturbing the ever important regional balance of power. Had that occured the world might have been burdened by short negotiations for the return of Cairo and Damascus, denying us of the pleasure of the unending palestinian issue.
That sure sounds like Henry Kissinger I know. Perhaps the Russians were making their own threats to intervene and supply the Syrians and Egyptians