The Palestinian cause has attracted international sympathy for decades, so why do Palestinians still suffer so grievously? The burdens of Israeli occupation aren't the full story. Palestinians also suffer from bad leaders and bad friends who do them more harm than good. In newsrooms, universities and governments world-wide, supporters of Palestine are more like enablers choosing to ignore the terrorism and tyranny that have wrecked Palestinian politics.

This custom is common from major publications and pundits. In July the...