Earlier quoted context omitted.
Some people complain about taxation on tea or the lack thereof instead of appreciating how privileged they are to have access to Oriental tea.
Sometimes you actually do need to rewrite the whole project in a new language. FORTRAN just isn't the tool for the job anymore. But you'd still benefit a good deal from being highly suspicious that any person suggesting that course of action is naive to how much time and suffering it will entail. Arguably, the American revolution wasn't even necessary. A lot of people died as a result. England would have potentially…
This underscores the problem with generalities. I know of some applications that would be considered high-speed (both literally and figuratively, since they are related to rocket testing) that still rely on FORTRAN. So I think your statement needs some qualifies (what kinds of jobs?)