Glencore market timing

As thetrader pointed out yesterday, some of the world’s smartest money, is exiting the assets bonanza. Glencores IPO is probably very well timed, as these guys represent one of the best investing brains in the world.

 http://www.thetrader.se/2011/05/04/glencore-market-top-timing/

If they thought everything is so cheap, why would they sell “themselves” short? They have already a very nice 3 day P/L.