What drove Stella McCartney furious?

Stella McCartney is a fervent supporter of animals of animal rights as well as being a strict vegetarian. What happens then if a fur McCartney bra is used in a fur ad?! London fur boutique Hockley used her lingerie without her permisson for their ad campaign which was in the latest Vogue UK. Seeing this ad made McCartney mad, her and fur company agreed on not running this ad anymore.