Every professional is unique in their own way of doing tasks. Each way can be better than another one or it cannot be. But they are unique that’s the reason they should not stop learning.
I am not afraid of storms for I am learning how to sail my ship. — Louisa May Alcott
By following or studying a way of doing things professionals can get some idea or can improve the existing system and this is the reason behind the tech we are enjoying now. From Stone age to modern Tech age the way of doing things studied and improved and still advancing by Professionals.
This is the reason why Professional should not stop learning. If they learn that is not only useful for them to improve self also they can be part of future.
one more thing — You become Professional by learning.