> I'm arguing you're dramatising the dire threat of terrorism on the good people sitting in the tube.

The threat has indeed been dire, and quite recently; the last jihadist bombing on the tube was less than ten years ago.

> Sorry for the tone,

I think you are not.

> your statement about the Irish being to blame for the Troubles

I did not say this.

Those of us who lived in London in the 90s very actively remember the IRA bombs and the relatively regular having to shelter in place, evacuate etc.