Good morning all. Welcome back Chris, I wish I could have been there too.
Wheel changing. Most new cars come without a spare wheel now-there is often nowhere to put one. But what on earth was that man thinking of, stopping to "help" on the motorway? Quite apart from breaking the law, he placed his family at risk by leaving them in the car on the hard shoulder. The ONLY correct course of action is to get behind the barrier and call for help. You don't need to walk to the emergency phone any more, and the nearest 100m post will give your location to the emergency services. The first Police or Highways Authority vehicle along will almost certainly stop (and probably help a damsel in distress!), parking a large vehicle in a position to protect the broken down vehicle.
We were talking about reading the Highway Code recently, the "good Samaritan" clearly doesn't.
Ed