Over COVID, we started a bad/cult movie night that I streamed over Discord. Streaming via Twitch/Youtube would get copyright struck immediately. Streaming over Discord worked, but you have no real control over stream quality, and often the stream quality is based on the person with the worst connection. You also are locked to 30/60 FPS, which sometimes causes small frame weirdness when most movies are at 24.
An easy, self hosted solution is exactly what I wanted at the time. I played with setting up a streaming server but it ended up being too much of a headache at the time.
There’s a ton of valid reasons to self host. Just because you can’t think of any doesn’t mean it’s pointless.