. "It was not essential that CPUK were at the stadium," said a spokeswoman for Locog, the body organising the Games. "They were tested at bigger and more complex events and their performance was monitored by an accredited external fire engineer, the London Fire Brigade, and the venue teams, amongst others. They received very positive feedback from all parties."
http://www.guardian.co.uk/uk/2012/jun/09/molly-prince-jubilee-stewards-conviction
Of course it is essential that they are tested at the stadium, they need to understand the space in which they are operating, be able to predict the way people will react in that particular space, to know how safety precautions work in that expected space.
It is ludicrous to suggest otherwise; ludicrous and dangerous, not to mention fool-hardy!
