The typical TUI fan is a nerd with no clue about typography so therefore they don't notice any problem with being shown elements that have no reason to be monospaced in monospace.
i.e. ignorance is bliss in the world of typography.
i.e. ignorance is bliss in the world of typography.
The total abandonment of the form-follows-function principle on the part of purely visual designers, who worry about what software looks like without considering what it's for, has led to 10-15 years of cumulative usability degradation in almost all categories of software. TUI and CLI software remains one of the last bastions of people actually designing interfaces for functionality and usability.
Just because there have been some crappy industry trends doesn't mean the answer is to turn away and permanently regress to the confines of a terminal emulator.