What is the ruling on bid'ah (religious innovations) and newly invented matters?

Question:
This is a question about a person who was raised in lands where there are bid'ah (religious innovations) and newly invented matters, and he does not know; he does not know.

Answer:
We say: If he learns and realizes that these are bid'ah (religious innovations), he should avoid them; he should avoid them. As for the one who did not know before and did not realize, there is no blame on him, if Allah wills. There is no blame on him; he is excused due to ignorance. But once he has known and it has become clear to him that these are bid'ah (religious innovations), it is obligatory for him to avoid them, and he must not continue with them.