I chose that wording with care, because I'm not saying he's right, I'm saying he isn't wrong. There's a difference, and in that difference Mr. Icahn demonstrated how he has amassed a fortune worth billions.
To that end, look at how much money Carl Icahn made in his three year investment in $AAPL—more than US$2 billion. That's fairly good money for three years of letting someone else hold your money, and Carl Icahn's decision to sell was should be viewed in terms of locking in those profits at a time when the Chinese government is, indeed, something to be concerned about.
Here's the interview on CNBC (it may play in multiple sections):