Uh, what?
That's the ONLY way to predict the future market.
By your logic, someone who says this is stupid:
"The Wii is currently selling at an amazing rate, and I see no reason for it slow down, so I predict it will continue to sell amazingly through 2008."
While someone who says this is smart:
"The PS3 is selling terrible, but I predict it will sell amazing through 2008."
That's the ONLY way to predict the future market.
By your logic, someone who says this is stupid:
"The Wii is currently selling at an amazing rate, and I see no reason for it slow down, so I predict it will continue to sell amazingly through 2008."
While someone who says this is smart:
"The PS3 is selling terrible, but I predict it will sell amazing through 2008."