It’s also worth mentioning that the studio that wrote the above article also just launched a new iPad app that feels like a visual, hands-on counterpart to Obsidian/Roam/etc.
Muse is infinitely nested canvases of cards, pdfs, images, text and other types of media.
I just bought it for my wife’s 12" iPad Pro and it feels sooooo smooth and zippy.
The navigation is genius. So simple and intuitive.