Scientific qualifications don't mean much to be honest.
The highest qualification you can get in science is a PhD. A PhD just about prepares you to enter a career in research; to be an expert in anything more than the narrowest of slivers requires a decade of working as a scientist beyond that. Even long-standing professors are unlikely to have much knowledge beyond their particular specialities.
Anyone who has a PhD in one area and uses it to justify their views on another is an idiot. I'm baffled by such people.