Have you considered using Arch on which Manjaro is based?
This way you won't have issues with AUR. It's not hard to install, you can use archinstall helper if you want, it's available in the default installation media.
The only thing that is missing from Reddit for me is a mobile-friendly app for GNU/Linux (I used Headlines for Reddit). But browser version is so great, I use it from the phone with no issues.
Yes, I just kept the original title of the video.