First, "Europe banned antibiotics" is a massive oversimplification, and ignores that similar steps are being taken in the U.S.

Second, while the European bans are doing good things, it's far from perfect: http://www.cidrap.umn.edu/news-perspective/2016/10/eu-report... . Use of fluoroquinolones, macrolides and polymixins (including colistin) rose - Europe is weirdly fond of it.