I kinda see what your saying. Basically they are admitted by spending m8llions to advertise the product doesn't sell itself. Which most products don't.
End of 2009 Predictions (Set, January 1st 2009)
Wii- 72 million 3rd Year Peak, better slate of releases
360- 37 million Should trend down slightly after 3rd year peak
PS3- 29 million Sales should pick up next year, 3rd year peak and price cut