But also: if Apple's way works, it’s incredibly wasteful.
Server side means shared resources, shared upgrades and shared costs. The privacy aspect matters, but at what cost?
With the wave of enshitiffication that's surrounding everything tech or tech-adjacent, the privacy cost is pretty~ high.
Server side means an excuse to not improve model handling everywhere you can, and increasing global power usage by noticable percentage point, at a time when we're approaching "point of no return" with burning out the only planet we can live on.
The cost, so far, is greater.