Security and forensic companies are built on individual reputations. The opinions put forth by expert witnesses have to be defensible in court. Your suggestion is unrealistic in its original context: once an expert witness's reputation is ruined, it's time to find a new field of work.
it's not lifes ruined but company ruined in this case. It's just fail, but not life fail. Nobody will die, get in prison for 300+ years, get sick, etc. Your company failed - start it over and do it right next time.