I really don't think this came from the Husaberg boys in Sweden. (As an aside, we're pushing a Swedish research job. One of the perks would be a visit to the Husaberg operation, which would be fun.)
I think this came from KTM, basically relabeling the XC/XCW as a Husaberg. As Skidad pointed out, some differences, but essentially the same bike. They own them, so why not?