A business is run by humans and not machines. So the human aspect can never be taken away form the consideration. Here lies the importance of analysis of human behavior and human resource management for the future prospective and development of the business.
There is not too much of difference between, a psychologist and an HR professional. But, there is a lot of difference between a normal professional and a HR professional.
What if a course / program specialized in HR, transforms you from a normal professional to an HR professional. What if, It upgrades your skills to such an extend both theoretically and practically, that you can independently perform the function of an HR at different levels.
If this is the vision i.e. to create an efficient and independent brand of HRs, then one must go for a highly realistic stimulated environment for an HR Course / program certifications.