>So he was in an era where the expectation was if you were typesetting a mathematical monograph you'd already be doing stuff like swapping the balls on your IBM typewriter for math symbols.

makes sense, maybe that would be more ergonomic to type for the public it targeted, indeed.

i won`t deny it is a stupid take of mine, but it makes me mad. i get the same feeling reading mathematical notations, so there is that.