Yeah, I'm moving away from it too. I loved everything about Notion 3 years ago and nothing about it now.
I love Obsidian and I really wish there was an enterprise-level hosting option for it.
If you're interested in real-time collaboration within Obsidian, check out Relay [0]. We just released an on-prem hosting of our collaboration server, and we have folder-scoped sharing. We're making Obsidian work for work.
[0] https://relay.md