Somewhat agree. And most terrorist attacks have not been carbon copies of previous outrages. Just because a football ground was a target in the last Isis operation doesn't mean it will be in the next one - quite the opposite, on past form.
Also - and I await the inevitable accusations of racism...
I've had my backpack searched at media entrances at the Emirates and Wembley on every visit (nowehere else) and on each occasion the person involved has had a cursory glance inside at my usual jumble of cables that really could be anything but have never once asked for a closer look. Wembley do...