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Why all the down-votes? This is actually a good video, despite the click-bait title.

You can use https://webxdc.org/ apps with XMPP or Deltachat and shared grocery or task lists are a common use-case.

There are some clients that support the latest version of OMEMO, but yes, since the most popular ones do not, you end up using the older version most of the time. That said, the older version is not generally unsafe, it basically is the same as WhatsApp or Signal are using. The newer version is just somewhat better as it includes some lessons learned from earlier attempts.

E2ee is not everything, as most of the privacy sensitive metadata can still be collected. Sure it is nice to have, but even more important is that you can chose a trustworthy server operator or run your own. XMPP allows doing that, but it has some weaknesses with client implementations and so on.

I am a bit biased and would say all in all XMPP is probably the best option right now, but it depends on your specific priorities. It certainly has some rough edges though.

That is why I said it depends. There are many places where electricity cuts for a short duration are quite frequent. Often you don't even notice it, but a 24/7 server would be effected.

In general, I think the risk of laptop batteries catching fire is overstated especially if you limit the charge to 80% or so. So weighting these two issues against each other you can come out either way, but I think for most places it will come down towards a UPS being nice to have.

Depends. Usually it is still good as a UPS for a few minutes, and some laptops have a bios option to limit full charge which lowers the risk even further.

While your post does mention notifications which really helps with engagement and was lacking from most forums, the main issue was IMHO lack of good mobile support of all the main forum platforms until as you said Discourse came along, but by then it was too late.

It would be also really useful to have a database of oil company executives and other shitty people that aren't easy to recognize but worth refusing service etc.

Since Snikket is just an XMPP server, it can be used with desktop apps like Dino as well.

All the corporate gamification feature are probably quite annoying.

It really is an enterprise solution and I doubt your family will be happy with it.

Why not just set up a Snikket server and use that? You can easily create group-chats and share pictures and videos there and the interface is similar to WhatsApp.

Badly insulated and huge open spaces that waste a lot of power if heated or cooled. In addition the entire concept of car dependent suburbs and sprawling development into the country side is an environmental disaster all on its own.

Drywall is pretty much the same, so yes, you can, and the typical US McMasion is pretty menacing in its environmental impact (and looks shit as well).