I would think the first implies the second. Do you think it would be tough for a man born in the middle-ages to learn to use a computer? It's tough enough for men born in the mid-20th century.
And what happens when your job becomes obsolete? I mean, you spend decades training in the art of raping and pillaging and that whole line of work goes completely out of style.
Imagine all the bad investments -- getting in on the ground floor of buggy whips, starting a crossbow factory.
But the good thing is that the bank will give you a 200-year mortgage. The bad thing is that you probably won't want that thatched roof for too many centuries.
Who does want to live forever, anyway?