Absolutely. Herschel Walker, the famous football player, just wrote a book on his DID. As DIDs have alters with different specialties there is no reason why each one can't be exceptional in their area of expertise. So a protector might be a black belt, the one who pays bills may be exceptional with numbers. Say by career one is a scientist. They may be outstanding and with co- consciousness with the math one may add more abilities than a normal person.