Sometimes unions will cut their nose to spite their face. In other words their demands may ultimately bring a company down (slowed innovation, resistance to change) but their directives are more immediate -higher wages, less work. These things are desirable for a worker but ultimately may doom the company. It’s not too different from not understanding balanced diets. Sure, some things taste better, are easier to prepare, but they may not be the best choice for long term health.

Unions in some other countries are less antagonistic )zero-sum)and more symbiotic (grow the pie).