Why do X360 exclusives sell more than PS3 exclusives?

[ethomaz]

smroadkill15 said:

Here is a top 30. Same rules apply. Comparing only ps3/360 and nothing else. Games like Fable 3 count.

Xbox 360 exclusives	ps3 exclusives
Kinect Adventures   16.85	Grand Turismo 5           7.81
Halo 3                        11.57	Uncharted 2                  5.69
Halo Reach                9.12	MGS4                             5.67
Gears of War 2         6.52	LBP                                 4.96
Halo 3:ODST             6.07	Uncharted 3                 4.53
Gears of War            5.96	God of War 3                4.44
Gears of War 3         5.51	Uncharted                     4.26
Forza 3                      5.09	GT5: Prologue              4.10
Fable 3                      4.83	Resistance:FOM          4.07
Kinect Sports           4.42	Motorstorm                 3.74
Fable 2                      4.07	Sports Champion        3.34
Forza 2                      3.98	Killzone 2                      2.86
Left4dead 2              3.51	LBP2                              2.61
left4dead                  3.11	GOW Collection          2.50
Dance Central          2.81	R&CF: TOD                   2.38
Mass Effect               2.65	Resistance 2                 2.33
Forza 4                      2.33	Killzone 3                      2.32
Halo Wars                2.16	Infamous                      2.23
Saints Row               2.12	Heavy Rain                   2.19
Kinect Sports 2       2.02	Demon Souls               1.64
Dead Rising             1.98	R&C: CIT                       1.63
TC SC: Conviction   1.98	Heavenly Sword          1.56
PGR4                        1.96	Ridge racer 7                1.30
Halo:CEA                 1.93	Infamous 2                   1.25
Dance Central 2     1.71	MAG                              1.25
Crackdown              1.68	motorstorm: PR           1.22
viva Pinata              1.56	Resistance 3                 1.18
Kinectimals             1.26	Socom:Confrontation  1.17
Kinect Joy Ride       1.19	Ninja Gaiden sigma     1.08
Alan Wake               1.17	Hot shot Golf: OB        1.07
ANOTHER 360 ~1.15

In the end it's pretty damn close, so I don't even see a need to argue over it.

Thanks.

360: 105.42m
PS3: 86.38

~19m diff.