As stated elsewhere: This is politics and does not really change the fundamentals. Change take time. When countries in the EU gets more assimilated, more and more of these restrictions will be lifted.
You ought to see the trajectory and direction more than the absolute position of the legislation.
I've heard that there are long term goals of unifying healthcare, retirement and the way work and local taxes are calculated so that it's more flexible and less based on small local bureaucracy. Similar to what they did with mobile phone subscriptions, where you pay to the country you spend your time in, but can use it anywhere. but that requires a lot more financial systems to interoperate.