Bah, learn to read or at least to skim with some accuracy. It's tongue in cheek, and the point of the article (as stated early on) is that when changing tools

Bah, learn to read or at least to skim with some accuracy. It's tongue in cheek, and the point of the article (as stated early on) is that when changing tools there are always advantages and disadvantages. The author then goes on to demonstrate that there are plausible disadvantages even for something as implausible and absurd as using a mechanical typewriter instead of a word processor.