'Caesar had been given countless warnings about his impending fate, but had gone to the Senate on the day in question having dispatched his bodyguards and aware of the peril he faced. He was inviting his own demise. It was suicide by any other name,' Bolland - who now runs his own firm, Mark Bolland & Associates - told conference delegates.
'There may be some who suggest it is impossible to understand why someone so popular ... simply gave up the fight and submitted to a tiny, faceless establishment ... until you look at the events last week in St James's Palace,' he said.
Bolland - who pledged 'never' to talk about his time with Prince Charles, his children and Camilla Parker-Bowles - said the Establishment 'sometimes hankers' after the 'deferential days when the BBC and a couple of traditional broadsheets were all that mattered'.