Can the discovery of metals be considered a revolution similar to the transition to a manufacturing economy?

Yes, the discovery of metals can be considered a revolution. The use of a metal-tipped hoe allowed man to increase crops in the fields. Because metals could not be smelted everywhere, then there was a need for exchange between farmers, livestock breeders and artisans. Trade arose.

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.