How did hopes of redemption turn into pogroms and bloodshed?

This source-based Hagut Yosef essay explores the question: How did hopes of redemption turn into pogroms and bloodshed? The canonical Hebrew article develops the theme through Torah sources and reflection on human life. This localized discovery layer preserves the meaning and source identity; it does not add a new halakhic, historical, psychological, medical, legal, or empirical claim beyond the Hebrew source.