There is a heavy dose of irony in using "childish" symbols like unicorns while discussing mature topics. It’s a juxtaposition that resonates with the "chaos energy" of the internet. The Humor: "Dicks Not [Whatever]"
The is not a niche. They are the vanguard of a post-ironic internet. After a decade of cynicism, dark humor, and rage-bait, millions of people just want to watch someone kind, dressed in pink, talk about fictional wizards falling in love.
However, the streamers who truly excel in this niche bring their own personalities into the equation. They create "biting" commentary on the dialogue options. They question the health of the pixelated relationships. They use these games as a mirror to reflect their own desires and past experiences. When a streamer sobs over a bad ending in a dating sim, the chat explodes with empathy. It transforms a solitary gaming experience into a communal therapy session.
Many streamers in this niche are openly polyamorous, queer, or exploring relationship anarchy. They don't just play games; they stream their lives. Viewers tune in to watch the "streamer loves unicorns" navigate a date with their partner, or resolve a gentle argument with their roommate.