Simpler to manage and smaller attack surface.
Running your own Matrix server also means running your own host server, database, caches, reverse proxy, firewall, networking stack, etc… Keeping these things running and updated. As well as vetting and updating clients.
I really like my Libra 2. My only complaint is the weight—it can be a little heavy for longer reading sessions.
Hot tip, it’s a pleasure to use in landscape mode.
Also the left-edge brightness slider is a killer feature at night.