Yeah, Airs are just too good and probably cannibalizing on Pro sales.
The Air is Apple's most-popular model (even if the MBP family sells the most units in combination) so Apple has no real incentive to artificially hinder it by keeping it on a previous generation SoC. The differentiate the MacBook Air 13" and 15" and MacBook Pro 14" and 16" pretty effectively between the displays, ports, RAM and storage options and PRO/MAX SoCs. So Apple can comfortably update it every generation.
The 13" and 15" will move to M3 soon enough and my guess is why it is not happening tomorrow is that Apple wants to move both models to M3 together and with the 15" only having launched four months prior, that is too soon (and the M2 Air is likely still selling great even at 16-months on). My guess is they will probably move in March (perhaps alongside the M3 iPad Pro / iPad Air) or WWDC 2024 at the latest.
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