Presuming the market for Macs is relatively fixed, and that soldered RAM was the "status quo" configuration previous to recent iterations, it's plausible that t

Presuming the market for Macs is relatively fixed, and that soldered RAM was the "status quo" configuration previous to recent iterations, it's plausible that the change to user-upgradable RAM to impacted sales for other, higher margin Macs in a noticeable, provable way.