In the context of discussing TUI vs GUI (as the article does), the accessibility and keyboard control balance probably swings very strongly to native GUIs; in a TUI you’re at the whim of the TUI framework’s stabs at accessibility support, while on a full fledged native UI you have all the bells and whistles of focus management and text to speech and voice control and high contrast and magnification and motion adjustments…

The idea that it must be more accessible because it’s confined to a mono space typeface and communicates state mostly by changing the foreground and background color of the text it renders makes no sense to me.