First of all, baptism took place in the Danelo region: such a condition was set to the Normans by their winner Alfred the Great. In Normandy, King Rollo himself defeated King Charles III the Simple and was baptized like Clovis to secure the support of the church. In Norway, baptism took place only at the end of the 10th century, when it arose there; one kingdom. Icelanders were baptized by popular vote to avoid religious strife that the king of Norway might have used.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.