Well, after some very obscure search over internet, I found something that solves my issue (maybe yours too in case you want to install packages as user).
If you use Lubuntu (I don't know whether it works on other distributions), you have to go to the folder /home/[youruser]/.local/share/flatpak/repo/. There is a file there called config. Open it, and write something like this:
(By the way where it says true, I set it as false, thinking that was my issue).
Now, when I install OBS Studio as user, it lets me.
PS: if GPG verification is set as true, make sure you downloaded the flathub.gpg file from the repo and copied it to your local folder as flathub.trustedkeys.gpg and flathub-beta.trustedkeys.gpg
Especially when there are rumours about Putin wanting to invade Narva region in Estonia. Will NATO stand with Estonia no matter what, or will NATO start acting for once?
unless PeerTube finds a way to pay content creators
Google is a for-profit organization. Framasoft, which developed PeerTube, is a non-profit one. The only way to pay content creators is when people donate money to PeerTube and then PeerTube share that money with creators. Which is also difficult because there are no trackers to know internally who has more subscribers or which video has more views, etc. Internally as using a tracker, but you have to visit one by one every channel and every video to know its numbers.