Mehmed Ali openly disparaged the Ottoman viziers and Sultan to the British consul

Evidence

At the height of the Greek campaign the British Ambassador in Istanbul, Stratford Canning, asked Salt to see if the Pasha would use his influence in Istanbul to convince the Porte to accept British mediation to end the conflict. When approached by Salt the Pasha declined, explaining that “they [i.e. the viziers in Istanbul] are too unsettled, too warring in that quarter and the Grand Signor [i.e. the Sultan] too much a bigot and too much in the hands of the Ulemas [sic] ever to consent to such a proposition.” — Khaled Fahmy, All the Pasha_s Men_ Mehmed Ali, his…, 222