VGC estimates that the Xbox Series X|S sold through 7.6m by the end of September. Lifetime sales expectations?

[Mnementh]

Oneeee-Chan!!! said:

Mnementh said:

Xbox Series tracks ahead of it's predecessors:

(Graph stolen from Zippy6)

How far do you actually believe the xbs numbers of VGC? If you really believe in it, I'll ask the same thing next year because I'm mean.

How much do you think these numbers differ? Do you think there is a major difference to reality here and XboxSeries is behind One?