Maybe, but it could also be about just not getting around to doing it. Changes, especially in a large system with a large user base, require extensive testing,

Maybe, but it could also be about just not getting around to doing it. Changes, especially in a large system with a large user base, require extensive testing, and even small changes may come with a lot of red tape. I don't know how things work at Microsoft, but I wouldn't be surprised if making changes to the UI for a technology that's being superseded anyway just didn't make anybody's list.