The 25-year-old also went on to mock 'The ones who spew the nonsense of "patriotism", "Australian Muslims", "deradicalization", and other terms for which Allah has sent down no authority.'
I'm not someone who supports blind patriotism or patriotism in any circumstance. But at its best patriotism is a profound love for a people and a tradition you are closely connected to. It can be one of those transcendent loves, through which we recognise a good that goes beyond our own self-interest, and which draws out our loyalty and our willingness to serve. It can be, in other words, an expression of caritas (of "charity" in the Christian sense).
Now, there are certainly references in the Bible to the existence of nations and peoples, and there is a clear message that this is part of God's plan for humankind. But there is not (as far as I know) a commandment that we are to be patriotic. But it seems to me that we would be turning religion into a dead letter if we took this absence to mean that patriotism is therefore never a spiritual good.
The following aphorisms by Don Colacho could be applied, I think, to the kind of love I am referring to:
The particular creature we love is never God’s rival. What ends in apostasy is the worship of man, the cult of humanity.
To love is to understand the reason God had for creating what we love.
Nothing surpasses the beauty of loyal love, of the love that is not loyalty with love, but the loyalty of love itself.