"Keychest" was always the better tech. It's been fascinating to see it actually win out over the "worse is better" first mover advantage UV quickly staked out. It's also fascinating that for the most part there isn't any scorched earth from the consumer side of this war; several key retailers seem to have made it a mission that most users wouldn't even notice the transition of all their old UV keys to MA unlocks. Things have mostly just worked out.