The reasons being a focus on digital distribution - something that undercuts the brick and mortar retail outlets. Still, bad as those instances may be, Sony expected much worse.
“We were very aware of concerns when we went into it and I actually expected a lot more negative responses than we actually got,” PSP UK product manager Claire Backhouse told GI.

“They were really quite fine with it. They see it as a way of getting people into the store because it’s new interest, a new product. And they’ve had such strong sales as well of PSP 3000 almost off the back of it.”</blockquote>

So there you have it; Sony aren't all that bothered really.