No, it means that the people who were compelled to follow a low carbohydrate diet for one reason on another lived shorter. It doesn't tell you anything unless you know why they followed the diet they followed.
Wha? I was never into paleo, I think it's stupid, every damn vegetable and animal has changed since, and it's not like we are sure people actually were so much better of back then...
You're all over this thread like a bad rash.