Speed enables higher lever programming and therefore more people can solve more problems better and faster. Surely you can fix 40-year-old machine with new sof

Speed enables higher lever programming and therefore more people can solve more problems better and faster. Surely you can fix 40-year-old machine with new software, but how long did it take to write that software and how much more could the machine do if it could be upgraded today? Also good luck taking iPhone photos in real time with a Pentium 3.