In the old days, we work because we like our jobs and took pride to contribute in our communities and society at large. As told in the article (Krugman), company executives worked hard to take care of business and not just their own pockets these days.
It's not in the 271K ballpark because the truly wealthy would have paid taxes at about the 25% rate, which was the cap. gains tax rate in the 1950's. Just as Romney paid his taxes at just under the current 15% cap. gains rate last year, the truly wealthy in the 1950's would have paid at close to the cap. gains rate at that time, as well.