I’m pretty sure that “your electronics” in this context is most likely referring to the grid operator’s electronics, not individual personal devices. In that case, frequency is extremely important- if you like grid stability and dislike blackouts, that is. 😅
That’s a ridiculous way to define “your electronics”. The original commenter was trying to fear monger with incorrect information, and you are jumping to protect them. I didn’t realise the grid owners had astroturfers in the fediverse.
I read it more as “your personal electronics won’t enjoy the brownouts and blackouts from having shitty frequency stability on the grid” more so than “your personal electronics will directly suffer from frequency instability,” but maybe I read it with subtext because I’m literally studying power systems right now.