They are absolutely necessary to enable the voices of workers to be heard but should not be used to bully companies in certain industries into paying above the levels in industries where unions are weaker.
Either way we need to find ways to encourage both employers +unions to work together for the common good (maybe with more profit related benefits)
इस उत्तर का उत्तर देने वाले पहले व्यक्ति बनें।