Hardly... they are at least estimating WW sales.For this, not the totals
NPD US first month: 150k.
Even if you add October, November, December and January... plus Australia, Canada, New Zeland, etc... it won't be close to 2.5m... it needs Europe.
and Forza continued its run as the best-selling racing franchise of this console generation.*
*Source: The NPD Group/Retail Tracking Service (U.S., Canada, Australia, New Zealand) - November 2012-January 2017