Biggest problem with the “take a gun” line when in a National Park: you’re far more likely to suffer a grave encounter with a bureaucrat than a bear - as in entering a “no gun zone” with a gun is a felony. Fumbling with a gun to store it in a car is probably more likely to cause serious problems than odds of bad bear encounter.
Don’t get me wrong, a .308 or 12ga is my preferred bear repellent. That bear spray is a condiment (I’m happily growing Trinidad Scorpion peppers now) doesn’t make other [legislative] threats easily ignored.
BTW: note that it was Obama who gave us National Park carry (albeit with building restrictions). GOP hasn’t done $#!^ for federal RKBA.
All kidding aside, prayers to his family.