Blind spot that comes from incompetence and arrogance. See https://lwn.net/Articles/553415/ for example and remember famous words of Daniel Stone that brought the need for remote work to - merely - launch xeyes.

Thus, that particular comment (https://lwn.net/Articles/555124/) was prophetic: "With that sort of attitude, I have no confidence that remote Wayland will ever work properly. Clearly Daniel just has a laptop and does all his work on it, and damn everyone who uses more than one machine for anything."