Who is the innovator and when is he to be hated?

Question : May Allah reward you. Shaykh, regarding the first question, what are the conditions and limits for declaring someone an innovator?

Answer : Yes. May Allah bless you. This is known by the definition of bid'ah (religious innovation). Bid'ah is worshipping Allah the Exalted in a manner not prescribed by Him, nor practiced by the Messenger of Allah (peace and blessings be upon him), his family, or his Companions, whether in creed, speech, or action. When we say "worshipping," this excludes ordinary matters. Even if these were not known in the time of the Messenger of Allah (peace and blessings be upon him), they do not cause harm. However, if a person performs an act of worship to Allah, whether in creed, speech, or action, that is bid'ah. Whoever engages in it is an innovator. But is he to be declared misguided and hated?
We say no, until the evidence is established against him and it is made clear to him that this is bid'ah. If he then persists, we say the man is an open sinner or a disbeliever, depending on what this bid'ah entails. Yes, indeed.