The reason why they don't work was actually on-screen, very briefly until Russ Alexander cleared it (again), in the Microsoft demo video. See https://news.ycom

The reason why they don't work was actually on-screen, very briefly until Russ Alexander cleared it (again), in the Microsoft demo video. See https://news.ycombinator.com/item?id=11415843 https://news.ycombinator.com/item?id=11415843 .