He messed things up in the Alabama Senate race. Hope he does better in Europe.
Hopefully he collected invaluable learned lessons from the Alabama debacle like ensuring the candidate you backed wasn't banging teenagers as a grown man (except in Europe where this would've actually been a résumé enhancer).
Alabama and Bannon’s being kicked out of US politics was the price Trump paid to get McTurtle behind his agenda. And Bannon and Trump knew that from the beginning. Mission accomplished, IMHO.
From the results, it seems that Bannon failed in Europe, or did not do as well as predicted (”tsunami”). Even though nationalists won in many places, in others, they did worse than expected. Greens and pro-Climate change parties also won...