> macOS isn’t, and never has been, Unix.

MacOS is the most UNIXy of the UNIXes

1. Comparatively heavyweight

2. Proprietary

3. UNIX APIs

To beef up the historical comparisons, "creates their own workstations on RISC-derived processors" is also (historically) a sign of a (commerical) UNIX, too. It isn't to jarring to mentally replace "macOS Tahoe" with "NeXTSTEP 26".