nabladabla

All instruction sets are documented in English and it's more esoteric so the tutorial scene in any non-English language is less developed, so that requires even more English skill than memorizing a couple of keywords in a mainstream language.

Dynamic yes, objecting to 24h. Many places keep the same dynamic address for months or years

Maybe yours does, but that's not universal in the slightest

You don't have to give contact permission to the app.

I think there is, but AFAIK they can use it for something very minor and it still counts.