This was apparently banned, or prevented from release in Germany which probably served to increase interest. In short, it's really bad. Pointless scenes, poor continuity, technical inaccuracy and insipid dialogue.
That said, it's very current and anti-immigrant. Basically this is Death Wish in 2026 minus any talent or writing of any kind. Oh, and the basic message if you strip away the anti-immigrant stuff is no different than Dirty Harry and that was 1971.