I might have missed it, but no mention of _where_ data is stored in the FAQ and seems critically reliant on Cloudflare.
In a changing world, what's the selling point for those outside of the USA? Why would our company pick this over self-hosting when our country is threatened with American annexation almost weekly? If I go with Zulip, mattermost, rocket.chat, matrix, etc I introduce maintenance overhead but I don't have to worry about unstable politics or a disliked tweet getting us sanctioned and banished from American-hosted services. The chat platform we use internally is critical business infrastructure and so we're required to ask these kinds of questions for business continuity.