Till the first major blackout. The question is wether you should rely on all the modern stuff only or have backup abilities.
To BG3, it may be watered down, but that is not my main criticism (which is Larian's terrible quest design). Compared to real stories/literature, also BG1 and 2 were simple and dumb affairs. A bit like people thinking Game of Thrones had a diverse and complicated story, while it is actually a primitive joke compared to real history.
Well, we used to have blackouts quite often when I was young. Unsurprisingly, you could not do much either, because even in the ye olde times before internet a lot of services relied on electricity. I don't think being able to use a paper map or a library would be that much of a help if you live in a city.
As for BG3, I don't think it is watered down. I don't like how the main story is written, I think it is worse than what was in the EA. But I like the gameplay a lot, some mechanics in the original BG games felt underdeveloped (e.g. little influence of abilities on dialogues) or even nonsensical (like dual classing).
