I don't agree for the '05 le.
Manu was incredible, Horry won game 5 after Duncan put up 26 and 19 and wore out. (Only Duncan could have those numbers and have it be considered a bad game.

)
It was Duncan who took the team on his back in game 7. It was Duncan who drew the double teams and got the passes to Manu and Bowen. Pop said after that game that Duncan was just not going to let them lose. There's a clip of a time out where Duncan tells them to be ready for his passes. From the 6 minute mark in the third to the buzzer, game 7 was Duncan.
For '07, Duncan got us through the Playoffs and Parker took it in the Finals. We wouldn't have gotten to the Finals if not for Duncan.
It's a team sport, it takes all of them. But Duncan is the core.