The importance of backwards compatability

The PS3 and Xbox 360 both have something quite clear in common this generation: they both have dropped backwards compatibility support. Why have they done this and what is the importance of this on this generation?
ShenmueLegacy - contributor
Published: 103 days 5 hours ago | Article | PlayStation 3 | Xbox 360 | Xbox | PlayStation 2 | Gaming
 
 
 
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