I think you're right. They know the future will be something like this. And that it's critical they're in the middle of it. They've likely mapped out early-adop

I think you're right. They know the future will be something like this. And that it's critical they're in the middle of it. They've likely mapped out early-adopter sales and figured it helps justify announcing now and getting developers thinking, rather than maintaining secrecy for another two years. Going public means they can test it in a full workplace like Apple Park without keeping it hidden in select labs.