My understanding is that the whole Zionist conquest in his eyes was a מרידה במלכות שמים, therefore anything that symbolizes their conquest is a chillul hashem.
He also held that the six day war, that was clearly a נצחון שלא כדרך הטבע, was not a נס, it was the כח of the סיטרא אחרא and טומה.