You can configure software rescaling using xrandr and some scripts… But that can cause a massive amount of jank with anything that requires a degree of pixel accuracy

I dunno, a lot of gen z and millennials probably use them when fabricating parts for things that you can’t get them for. I know I do for my printer.

From the 2 developers and The volunteers… The same can be asked about a lot of foss software. Typically what stabilizes foss development though is when developers start getting paid to contribute to the project by a company they work for, however lots of foss software has made it purely through donations (easiest example being mediawiki and wikipedia)

Web hosting is definitely the harder question. In the grand scheme of things, lemmy instances and other fediverse tech will likely end up being pseudo-centralized with a handful of companies like email. Lemmy is very resource intensive as you guessed. The good news is that a very large amount of that resource consumption is storage, and storage is cheap. Though I know I’ve seen tehdude, the owner of the sh.itjust.works instance, another very stable one, comment on how CPU, networking and memory intensive a busy instance can get. A lot of the early 500s instances were seeing were definitely caused by resource constraints.

You actually can, you just append @lemmy.world to the community name when accessing from another instance that’s federated with lemmy.world and once lemmy.world comes back up your contributions will be there. Any instance that’s federated with the instance your posting from will be able to participate in the discussion with you for that matter. The only thing you can’t do with a community when the host instance is down is subscribe to it. It would still get added to your subscriptions though if you try, the hosting insurance just won’t know until it comes back up and eats through the outboxes of federated instances to “catch up”.

Edit When it does come back up it’ll also get any messages that are in federated outboxes as well so your posts will ultimately show up on the host instance, just posted by your alt account