The claim that Nelson Piquet Jr, the former Formula One racing driver, had been ordered by his bosses at Renault’s F1 team to crash during last year’s Singapore Grand Prix to help team-mate Fernando Alonso win, might never have come out if he had not been fired by the company during the summer. When you are laying people off, what is the danger you may let go employees who have secrets about the company that you would rather they did not disclose?