Strange omission to talk about the general anti-AI sentiment, while not mentioning that the #3 most-watched English VTuber (Neuro-sama) is an LLM – who is actually widely accepted as a "good" use of AI by other VTubers and viewers.
Let alone a decent sized model on a couple 4090s or similar, pretty gud t/s to churn out tts/stt/response/control model actions and emotes.
Even if it were a human, that would require both fast typing and a fast TTS.
Also, arguably nowadays the main streamer is Vedal, her (for lack of a better term) handler. Part of the fun is seeing them interact