Let's apply your logic to the Iranian situation. Iranian leader also said that eventually Israel will be wiped from the humankind memory. You , Zionists, demand bombing his country for his crazy rhetorics, but happily forgive Rabby .
Remand of Meir Ettinger, Israel's most wanted Jewish terror suspect, extended (Haaretz)
from the article: Shas spiritual leader: Abbas and Palestinians should perish