I think its bizarre that people think jags doesnt care, he's one of about 3 players in the squad who literally puts his body on the line when he plays. He might not scream and shout but not everyone who cares does.
Limited footballer and an uninspiring leader he may be, but he's more commited than any other centre half at the club.
I don't think anyone thinks Jags doesn't really care. He's just not the leader of men you want as a captain of a football club. There is an argument that they don't really exist anymore in this pampered world of privileged man-child's but that's another debate entirely.