Here is the 16th and final principle from the lecture: 16 Principles Regarding Bid’ah – Qadhi Ali al-Zarweeli al-Maghribi by Abdulilah Lahmami (hafidhahullah Ta'ala). In it he mentions the fact that just because you are i(in)famous, it doesn't mean that you are upon the haqq. He mentions several personalities by name.
Go have a listen to this principle and then listen to the complete audio link found and the link in the post that is referenced above.
Abu Hurairah (رضي الله عنه) narrated that the Prophet ﷺ said: "Whoever invites to guidance will be rewarded like those who follow him in the guidance are rewarded, and that will not decrease the reward of those who have followed him." [Collected by Imām Muslim]
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