Oh c'mon, complaining that a product is more extensive then stealing the same thing via an emulator isn't even a valid complaint. A company has the right to make money on its wares.
I also like these kinds of collections because the finite space on the Wii means I have to keep deleting stuff; if it's all on its own disc, then I'm alright. I passed over the PS2 collection (I got it for the PSP, but that's not the same). I'll be getting it mainly for the Streets of Rage games, which were so cruelly removed from the USA version of the Sonic Gems Collection, though if they could ever release their old Saturn games in any format, that'd be nice...