Why didn't sony use the same plan with the vita as they had with the psp?

[Xxain]

TheWPCTraveler said:
"Why bother with the Vita when I can have the same experience, or even better, on the PS3?"
That's what happened.

Of course, I don't have a PS3, so I'm going to end up having a Vita one way or another.

Add PS TV to this statement and it is primary reason for VITAs failure.