We have previously discussed the benefits of credentials, so I won't do more than mention that discussion here

No worries here, I highly doubt your idea of intellectual stimuli would have involved wondering around the woods during an outbreak with scouts for a week without knowing what to do, out running around swapping reptilians to the point of striking fear in them across the land...and if you were I'd be a bit more worried about else you were stimulating...lol, or going completely blindsided to battle Ebola in a foreign country. You have my complete trust over Walensky's.