Not the same way when you trading on free exchange and try to imply with real exchange market and use real money, many people become most success when trading with free exchange by after trying with real exchange they lost much money, if you wanna be success try at the real exchange without use free exchange site for trading.
Do you have any proof about it?
It is like telling them that a soldier without a proper training would be more effective than the ones who studied it.
People learn from experience and it is true but learning from their experience is their choice so if they didn't learn anything from the simulator then it is their fault.
The simulator is build for us to try out our skill to enhance it so we wouldn't risk our own or real money in order to hone it.