I have a question, what prevents a copied game from being played on the console. Why doesn't whatever make it boot copy over? What prevents making a boot to add to the disc? I know there is likely a simple answer to these questions, I've just always wondered.
With the PS1/PS2 it was the bytes of data contained on the inner ring of the disc that consumer burners can't burn properly.. they auto-correct the sectors which renders the burns useless (without a hard/soft mod of some type). There is detailed documentation on this in the 1:1 Swap Chat section if you search.
The PS3 adds into the equasion the hypervisor, which also controls everything that goes on within the console.. so basically yet another hurdle from what people ran into in the PS1/PS2 days.