I can see both sides. I understand the UTTER frustration - and indeed, panic - felt by these protestors who live with the knowledge of what is happening to our planet and see very little being done to stop the slide to disaster. I only live comfortably but shutting off that reality, most of the time. But, yes, they will lose support if they cause such disruption. I guess they wonder what it will take for people to take notice and they might argue that a birthday lunch and even a surgeon's list are nothing compared with global disaster. It's all so dreadful.