I agree with him.
Tell me what reason the terrorist have to hate us or our country?
A great many think that the secular, liberal, pluralist values by which Western nations abide are degenerate, decadent, hedonistic, blasphemous, weak and anti-Muslim.
If they don't like us they don't have to live here and kill our children.
Which assumes, in the teeth of abundant evidence, that terrorists are alien, foreign, the other, from outside. In fact most of the recent high-profile cases involved British-born perpetrators.
Manchester: British terrorist.
Westminster Bridge: British terrorist.
Finsbury Park: British terrorist.
Terrorists aren't always 'they'; often they're 'we'. Given that Khalid Masood, the Westminster attacker, was a man originally called Adrian, Kent-born and from Tonbridge Wells, I suggest your
Sun reader "send them all back where they came from" rhetoric needs more work to put it mildly.