Not wanting to criticise or score points but would the same language have been used in these posts if the same actions had been carried out by say a Yak 52?.
"straight towards the clubhouse", "neat roll right in front of us".
I can almost see the alternative posts - "irresponsible Yak pilot aimed straight at the clubhouse...."
By the way I don't fly a Yak and I am sure this was a great spectacle but I find it interesting that we modify our view of behaviour based on the nature of the machine in which the behaviour is exhibited.
Personally anyone who wants roll around me in my jodel or run and break along the road in front of my house will receive approval in large dollops from me - Spitfire, Jaguar, Mustang, or Yak.