I have known about PWAs for a while, and it always has annoyed me just how many apps I have that could be PWAs instead. I think apps can be tracked to a greater degree than websites, so, at least for closed-source stuff made by companies, native apps give more data they can use and sell.
If you start to type @username@server in the default Lemmy web app it will give a list of users that roughly match what you typed, and if you choose one it will just add a link, so I think that that is actually the correct way to do it.
Looking at the 'Find a PeerTube platform' page it seems to be pretty common (it is listed as Video publication after moderation), but the instance that I am on, called Diode Zone, automatically publishes videos. It appears that on the instance finder the automatic publishing instances just do not have the Video publication after moderation text, and you can confirm under the about page on that instance.
[D]ont know any other good free video hosts
PeerTube is a great one that is also part of the Fediverse.
I think it is still is useful, as some software still hasn't figured out how to turn on numlock automatically, and for a few applications number pad scrolling can be better than the arrow keys, but it is probably less useful than the scroll lock key at this point.
I am not sure, I found it in the woods (I'm not very good at identifying these criminals).
lndex