In the end it was wrong for me to say such things.
I understand what Muhammad said in this regard and have defended Islam often in this regard. Shoghi Effendi made it clear we should only offer all that is Good about the Messengers, as all what is not good, did not come from the Messengers.
"..The Faith standing identified with the name of Bahá'u'lláh disclaims any intention to belittle any of the Prophets gone before Him, to whittle down any of their teachings, to obscure, however slightly, the radiance of their Revelations, to oust them from the hearts of their followers, to abrogate the fundamentals of their doctrines, to discard any of their revealed Books, or to suppress the legitimate aspirations of their adherents. Repudiating the claim of any religion to be the final revelation of God to man, disclaiming finality for His own Revelation, Bahá'u'lláh inculcates the basic principle of the relativity of religious truth, the continuity of Divine Revelation, the progressiveness of religious experience. His aim is to widen the basis of all revealed religions and to unravel the mysteries of their scriptures. He insists on the unqualified recognition of the unity of their purpose, restates the eternal verities they enshrine, coordinates their functions, distinguishes the essential and the authentic from the nonessential and spurious in their teachings, separates the God-given truths from the priest-prompted superstitions, and on this as a basis proclaims the possibility, and even prophecies the inevitability, of their unification, and the consummation of their highest hopes.
As to Muhammad, the Apostle of God, let none among His followers who read these pages, think for a moment that either Islám, or its Prophet, or His Book, or His appointed Successors, or any of His authentic teachings, have been, or are to be in any way, or to however slight a degree, disparaged. The lineage of the Báb, the descendant of the Imám Husayn; the divers and striking evidences, in Nabíl's Narrative, of the attitude of the Herald of our Faith towards the Founder, the Imáms, and the Book of Islám; the glowing tributes paid by Bahá'u'lláh in the Kitáb-i-Íqán to Muhammad and His lawful Successors, and particularly to the "peerless and incomparable" Imám Husayn; the arguments adduced, forcibly, fearlessly, and publicly by `Abdu'l-Bahá, in churches and synagogues, to demonstrate the validity of the Message of the Arabian Prophet; and last but not least the written testimonial of the Queen of Rumania, who, born in the Anglican faith and notwithstanding the close alliance of her government with the Greek Orthodox Church, the state religion of her adopted country, has, largely as a result of the perusal of these public discourses of `Abdu'l-Bahá, been prompted to proclaim her recognition of the prophetic function of Muhammad-- all proclaim, in no uncertain terms, the true attitude of the Bahá'í Faith towards its parent religion...." Shoghi Effendi The promised day has come"
Regards Tony