As you alluded to, Matrix has really horrible UX. Telegram is meant to be easy for the many to use: finding content in chats or even globally across public chan

As you alluded to, Matrix has really horrible UX. Telegram is meant to be easy for the many to use: finding content in chats or even globally across public channels for example is intuitive and snappy because their server does the heavy lifting. That's a huge sell for many, myself included.