I'm taking a DNP class next quarter (in order to have enough hrs to qualify for fin aide)...a business and financial concepts class...so I'll compare it to my MBA classes. However there is nothing wrong , IMO, about a "generalist" route. I've basically done that with my career, working in many different areas...and you see the results...one of the smartest nurses known to mankind, in my humble opinion.
Actually my MBA program was a generalist program. I didn't focus on management or finance, etc, but just a little about a lot.
Also, some of you med students can answer this...how much research do med students do? I looked at a Ph.D. program in nursing and it had 44 hours (quarter hours) of research classes and practicum, not counting dissertation.