Good that he's going. One can forgive mistakes in defense by players that lack experience at highest level or inability to convert chances due to being mediocre forwards, but his inability to build teamplay from the back has been obvious all season long and before that. The supposedly mediocre quatar midfield were dominating the tempo and controlled the match in both games with only option being Stegen hoofing ball up the field inshallah - the tactics. Not the first time it happens, including against laliga fodder. With more control in middle of the park that red probably doesn't happen. He can't even make a good sideway passing team, something he should've known how to given his pedigree as a player. And the unstable mental state he seems to constantly be in doesn't convey confidence either.
Thanks for developing all the youngsters, but it's time to look forwards to something new.