I think their point was that MacOS -> GNOME was a another transition than a diffetent desktop environment would have been, which led to them naturally discovering more keyboard-oriented workflows. Not that GNOME is any more keyboard oriented than other DEs.
I don’t really see how GNOME is any more keyboard focused than, say, KDE. If anything, other DEs give you much more freedom for a keyboard workflow.
I think their point was that MacOS -> GNOME was a another transition than a diffetent desktop environment would have been, which led to them naturally discovering more keyboard-oriented workflows. Not that GNOME is any more keyboard oriented than other DEs.