Shaykh Yasir Qadhi elucidates on the three main points when it comes to tackling preachers or eloquent radicals who though may be mesmerizing, do not fit into the realm of beliefs that should be entertained.
The troublesome point of concern amongst the Muslim ummah is the supremacy and rise of strange and unorthodox interpretations of Islam. People with little or no knowledge, understanding and training interpret the verses of the Qur'an that is vehemently against the belief of our Iman and hence, messes with the minds of innocent Muslims. The long term implication of this menace is the straying away of the Mu'min from the path of Islam.
The Hadiths also try to warn us of this very disturbing fact. The Prophet ﷺ said, “Near the establishment of the Hour there will be days during which (religious) knowledge will be taken away (vanish) and general ignorance will spread.”