Businessman Alan Sugar has been hosting the BBC TV show The Apprentice for more than 20 years and is well used to watching the group behaviour of people under pressure.
Once, when he noticed the candidates ganging up on one of the contestants, he remarked that in his experience this either meant there was good reason for it or people were trying to cover themselves.
It is a question that could be asked about the criticism made against Matt Hancock, the British secretary of state for health and social care during the Covid-19 pandemic.
Mr Hancock has been criticised by a succession of witnesses at the UK Covid-19 Inquiry. He was portrayed as a liar who consistently misled other cabinet members and health officials about how the response to the pandemic was going.