However, due to the preponderance of ignorance, and scant knowledge of the remnants of the messengership amongst many of the latecomers, takfīr is not made of them...
If I see someone invoking the (dead) in the grave, seeking rescue from him, then he has been afflicted with shirk, shall I call him (to the truth) on the basis that he is a Muslim...
The negation of al-Qadar and the claim that affairs take place within Allah's creation that are outside of His knowledge, will and creative power was not known to the Pagan Arabs.
This is the bidʿah of Irjāʾ about whose proponents the Salaf and the Imāms spoke severely against, and they said very harsh statements about it which are well-known.