The main opposition party has made allegations of fraud and collusion against McKinsey over its work with a company linked to the Guptas. Chief business commentator John Gapper says firms failed to recognise that corporate reputations are easily lost<br /><br />► Subscribe to FT.com here: http://bit.ly/2r8RJzM<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
