Maybe is not as bad as you think?
https://en.wikipedia.org/wiki/List_of_largest_companies_by_r...
But as a worker, do I care where companies have their headquarters? All major tech companies have offices in Europe anyway
The thread you're commenting in is about whether workers can still do good things even if they get breaks, not whether they're currently a member state.
A cursory googling says that Swiss workers get 4 weeks and UK workers get 5.6.