I don't think the new siri is intrinsicly tied to the device. I think that as part of remaking siri, they're using the new platform as a rallying cry and story

I don't think the new siri is intrinsicly tied to the device. I think that as part of remaking siri, they're using the new platform as a rallying cry and story as to why it's important. (it's hard to justify features such as making siri spatially aware otherwise)