Imagine the young person who turns 27 the day this law in effective!
I bet we'll see income taxes in Poland trend sharply downward in the long term. When the government starts taking ~1/5th of your income after about a decade of not doing so you tend to not take giving the government a cut for granted.
Maybe Juncker complained that the incoming workforce could use a bit more post-graduation experience. This way EU will be getting people that don't need on-job training.
Wonder what the number of personal bankruptcies at 27 will be...
Also Poland is the European country with the largest number of young people. Heavily catholic. Could be a significant move.