It is to late for Europe and the Muslims know it. Indigenous European birth rates are well below that of the Muslims so every year they grow stronger and the Europeans grow older.
Plus we don’t put up a fight. The general direction the debate and statements by established politicians take is that we don’t want the “clash of civilizations” and therefore have to do anything to avoid it. No, we are not giving up, disarming unilateral or are just plain cowards - we were the aggressive party all along.