It - meaning the activator, no comment on subscription - seems par for the course.
Hard to argue it couldn’t be at least marginally safer if remote disabling were impossible, though wonder if that’d be implemented for recall purposes as perhaps it is on modern vehicles? (Anybody know?)
I thought buy air vest + buy or pay [in]finite installments (lease, rent, subscribe) for the right & ability to use the vest. Perhaps same as what you said, just semantics.