Have you noticed Zello's default trending channels are cleaner? Now Zello channel managers are first approving them (live for English, Spanish and Portuguese). If you don't like the change, you can still find the rest, just update your Trending setting from "Filtered" to "All".
Channel managers review all trending channels and usually approve those without profanity, abuse or adult topics. To see the channel they also must match your language and have active conversations.
Please tell us what you like and don't and share your ideas to improve Zello.