As of Obsidian 1.10 the app becomes usable after initialization and core plugins, the rest loads in the background.

If you're on iCloud make sure you set Obsidian's folder to "Keep downloaded"

people are trying to convince me that linux is real and good, but how could an all-loving operating system allow and create such suffering?

Thankfully I had this random 5V power brick I refused to throw out! Needed 5V at >2A, this worked and system is back online!