In my experience, once you’ve got Arch set up, it less work to maintain than Manjaro. On Arch, you have noticeably more frequent, but smaller, package updates. On Manjaro, compatibility issues with the AUR may occur, which happened a few times for me, while that won’t happen on Arch.
Outer Wilds had so many profound moments, imho. Just listing a couple more:
Spoilers, obviously