ha shes not the worst singer, as she can sing (when shes comfortable, in a studio, and her throat as been prepped) but that doesnt mean shes great. she should be able to sing in public, which she cant really do.
i agree she is one of the worst artists out there though, she has generally lowered some standards.
and yeah bjork doesnt really sing, you'd get the same sound out of a cat if you throttled it. still interesting though