Author says: "But the delegitimization effort would continue even if Israel were to sign a comprehensive peace treaty with the PLO". That is a paranoid fantasy. There will always be enemies of anyone, including Israel. But... A comprehensive and fair settlement of Palestinian economic and security concerns would effectively end the growing isolation of Israel. The most likely solutions would only buy Israel another decade or two, but they are better than the alternatives.
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from the article: Comment / Israel delegitimizers threaten its existence