OSes with no CLI and thoughts on the staleness of modern computing

[Nicked from a later comment to the previous one.] Other OSes I've used with no CLI -- Psion EPOC 16 (x86, Series 3); EPOC 32 (Arm, Series 5); Symbian; PalmOS; NewtonOS; and on the desktop, Atari TOS/GEM. PalmOS is not so much from MacOS as indirectly from another Apple product: the Newton, which was architecturally totally different (a native Arm OS with no CLI and no filesystem either). Newton OS 1.x could only read cursive: joined-up long hand written script, and it had to learn yours first before it worked well. This led to a tonne of jokes and NewtonOS 2.x which could also read hand-printed letters and block caps. Palm started out offering its Graffiti text-input system as an add-on 3rd party app for Newton OS 1.x. The look and feel of the Newton has a tiny bit of influence from MacOS: it's greyscale only, with elegant hand-drawn mono icons. Palm naturally picked up some of that. NewtonOS version 2 made that much less relevant or necessary, so Palm pivoted: it took the core…