The new FA engines are not too bad in terms of reliability, EJ engines were horrible and I think that's why Subaru has a bad reputation (especially head gaskets)
As long as you follow maintenance guidelines, you should have no issues with the latest VWs. The only thing that can go wrong with EA888 engines is the water pumps.
It's important to remember that EA888 engines have bigger shoes to fill, it must to be good to compete in the luxury segment, too. They are used in three different brands, including Porsche.