That's not what he said...he responded to someone who asked his opinion on whether or not they should sell half of their shares and let the other half ride. He responded by saying that he thought that was fine.
Cramer commonly recommends riding free when stock has doubled. Rare to hear him say "Let it Ride!" His caution keeps his show going... Presonally I think the whole crew on CNBC are probably as corrupt as the rest of WS... Santelli might be ok, not sure.