1. The spam I see in Global is mostly 🇨🇳, not 🇯🇵.
I think we use different relays, or you're confused ;)
2. Japanese will join anyways. Gradually then tsunami. Just wait :)
3. Eventually spam will come in many languages. In retrospect, Twitter language filters (user settings) were convenient.
4. Toggle R/W per relay: #Amethyst implemented it a while ago.
5. #[6]'s most recent update does exactly what you want! (And more)
“- Users can now see which relays are sending posts, DMs, and public chat messages. This uses the relay's website favicon. Please update your favicons to something relevant to users :)
- Changes the default relay set to Paid relays for Chats and Global, making spam less impactful for new users.
- Timeline posts are cropped at 350 chars with Show More to expand
- ...”
https://github.com/vitorpamplona/amethyst/releases/tag/v0.13.2