Well i found this on VGChartz and if he has been using VG data he might be telling the truth.
JPN NA Other Total
PS2Sony Mar-2007 1.43 / 25.42 2.82 / 47.68 2.39 / 44.79 6.64 / 117.89
WiiNintendo Mar-2007 2.00 / 2.00 2.37 / 2.37 1.47 / 1.47 5.84 / 5.84
http://vgchartz.com/worldcons.php
This data is between September06 to March07 so the Wii has lost a month but the PS2 has outsold the Wii comfortably in Others(PAL) and NA(Americas) but been outsold in JPN(Japan)so Mr.McDonald isnt a complete lier.
End of 2014 Hardware Predictions (03/03/14)
PlayStation 4: 12-15million
Xbox One: 7-10 million
Wii U: 8-9 million (Changed 01/04/2014 from 7-9 --> 8-9 million)
