Nice one! I think you are correct. He was demonstrating the differences. The watching only wallet did not display the private keys. but the other one did. OK great! And thank you. It's not holding me up any, but now im curious why anyone would want their private keys being displayed on their screen, risking screen shots from a hack?
The private keys are rarely shown, if ever. The only time someone needs to see the private keys is if they are going to import it to another wallet. Furthermore, the private keys are always protected by your wallet password. They can only be revealed if the wallet is unlocked.