Union Law in a lot of "Europe" (a broad term so very dependent country to country) is much less adversarial with businesses than in the US.

At least in Western Europe, the big Unions won't fight tooth and nail over mass layoffs (eg. Volvo in 2009-12 Sweden versus GM in 2009-12 US) and make it a major political issue, as the Union Leadership has larger ambitions beyond their Union.

A lot of this seems to stem from the influence National Syndicalism had on most European unions in the 20th century compared to traditional Syndicalism in the US+UK in the 20th century.