Did the guardian of the matter in Canada issue a fatwa for a boycott

Did the guardian of the matter in Canada issue a fatwa for a boycott? Coinciding with a strong campaign in Canada to boycott American products, there is widespread mockery of Salem Al-Tawil and his ilk who shout that a boycott is not permissible except with the permission of the guardian of the matter! Do you think they have people like him in Canada? There is no mention of guardianship at all, nor of the Commander of the Faithful at all in the Quran