The most likely scenario is this: they don't know exactly what the new hardware will cost, nor what the market will bear.
The FSD upgrade was $4k (or $5k) if purchased "later" - there was no definition of time, and prices are always subject to change.
Later came and went...
The FSD upgrade was $4k (or $5k) if purchased "later" - there was no definition of time, and prices are always subject to change.
Later came and went...