The movie is not a well-done work. I think the main goal of the writer was to say " hey refugees stop coming to europe" and this movie is just a jerry-build product covering the main goal . I think the main character was quit a mess, a man who is pro in fighting is selected for fighting( this kind of simply starting stories are fusty) and it seems that they wanted to dress up the poor story-line by some action scene clothes where the clothes was quit a mess again.
I think there is a minor anger against refugees in movie producer's mind. the red-blue masked man in final action scene looks a refugee and the writers anonymously says " hey the refugees deserve to treat like that".
If they wanted to say hey please stop immigrating, there can be lots of ways to show that rather than violence.
after all it was not a movie to watch but it might be political-social message from an angry man.