The author is grumbling that this very special purpose device doesn't have quite the feature set he wants.
The era of writing on paper was backed by a large human staff of typists, rewriters, fact-checkers, editors, and Linotype operators. Everything was re-keyed several times before it reached print. It's not about nostalgia for typewriters. It's about nostalgia for servants.
That is a curious take, but I fail to see how it is relevant in here. These products are directed towards writers who have a romantic notion of historic writers hunched over their keyboards while being free of worldly distractions. It is not one of the office worker passing their work off to a secretary to be typed up. (Admittedly, the article's author seems to suggest that it would be a better fit for the nostalgia for servants when they talk about how writing used to be done.)
The era of writing on paper was backed by a large human staff of typists, rewriters, fact-checkers, editors, and Linotype operators. Everything was re-keyed several times before it reached print. It's not about nostalgia for typewriters. It's about nostalgia for servants.