Of course, people and businesses can form interest groups. But they are still liable to competition laws. Price fixing is not allowed. Such a interest group can

Of course, people and businesses can form interest groups. But they are still liable to competition laws. Price fixing is not allowed. Such a interest group can agree on certain standards, but not pricing or anything that would stifle competition. Yes, if Uber needs to employ their former contractors a because of misclassification rulings (https://en.wikipedia.org/wiki/Misclassification_of_employees_as_independent_contractors https://en.wikipedia.org/wiki/Misclassification_of_employees...) - I like the German word "Scheinselbstständigkeit" - they then can form a union.