A “real answer” is rarely as credible as an article with quotes including time and place, as well as citing statistics and peer reviewed studies.
Depends what kind of learning is needed. Fixing a car, I have found rando-on-the-Internet to be a far more effective resource, than peer reviewed sanitized but irrelevant information.
Different tools for different needs, and all that.
People are even writing entire fanfictions about current events to fit their narrative.
Impossible!
(This is sarcasm, meant to purposefully demonstrate your point.)
I don’t think there’s anything in the Fediverse meant to support the family updates use case.
We use giant SMS text message threads for that.
For more privacy, we get everyone to use Signal or XMPP with OMEMO.