Why is baseless hatred called “baseless” even when there seems to be a reason to be angry?

This source-based Hagut Yosef essay explores the question: Why is baseless hatred called “baseless” even when there seems to be a reason to be angry? The canonical Hebrew article develops the theme through Torah sources and reflection on human life. This localized discovery layer preserves the source’s meaning and identity and does not add new halakhic, historical, psychological, medical, legal, political, scientific, or empirical claims beyond the Hebrew source.