Problem is that Obsidian doesn't have collaboration tools yet (it's on the roadmap though). We wanted to support open projects, so we chose #anytype.
We had to make a trade-off: either Arabic support, or collaboration. Anytype does really badly with Arabic, but does collaboration peer-to-peer with full encryption.
If you use right-to-left languages on the internet, you're continuously encountering the broken aspects of computing.