Where exactly is the value here?
I struggle to believe there can be any 'tech' that can't be rapidly copied in a note taking app (correct me if I'm wrong)
And it's not _that_ well known either so it's not like they're buying into a massive mainstream thing.
I don't get it.
There are already free / free-ish clones of Roam:
* org-roam: https://github.com/org-roam/org-roam
* Obsidian: https://obsidian.md/
* Athens: https://github.com/athensresearch/athens