@Logicfest -- Isn't the same true of any analysis of old computer technology? One thing that people who plan on studying computers for a living need to know is how evolutionary the technology is. Someone could argue that the computers we use today are very similar to what we've had in the past only faster, more reliable, easier to use and can do a heck of a lot more.
Still, these modern computers didn't just show up by accident. It took years of innovation and evolving designs to come up with what we have now. Knowing that evolutionary process breeds a heck of a lot of understanding and that is very important.