I don't think local boards should be underestimated, even the least active ones can hold useful information for those who arrive there via a search made in their mother tongue, even without being active on the forum itself.
The point is not in local sections, but in the translators themselves, who very often do not understand what they are writing about. Usually it goes like this:
Someone comes to the forum and is interested in the service, OP does not respond at all to questions in his thread, after which the user goes to the main thread in English and receives answers to all questions. The forum is not only an information platform, but also a place for discussions. If someone writes a translation about a service, but he does not understand the basic mechanisms of the service and has no experience in using the service, then this translation is not information, but simply a mountain of garbage.