I've been witness to this "War on General Computing", being a 31 year old human who's used computers for the better part of 28-29 years of that time.
I'm not convinced the shift you're describing as far as UX writing is anywhere near as concerning as the actual war on general computing with respect to running the OS you want, the software you want, with restrictions as necessary for security but not for vendor lock-in.
UX writing tone, of course, is only a tiny piece of the overall foreclosure of customization that the current era of UX designers is complicit in. I see a continuum between cutesy UX writing and reduced ability to customize any and all settings by the end user; You think there is an "actual war" separate from the propaganda used to manufacture consent for it. Gilded cages need gilt - that gold leaf takes the form of emojis etc.
I'm not convinced the shift you're describing as far as UX writing is anywhere near as concerning as the actual war on general computing with respect to running the OS you want, the software you want, with restrictions as necessary for security but not for vendor lock-in.