I am presenting merely one avenue on how Vedal could change her current state of streams. There could be many other types of streams that could achieve the same, and the below argument applies to those too.
I have come to the realization, with the help of others, that Evil seems like a 'lolcow'. People make fun of her and troll her during chill streams. If she isn't doing much besides that - as it currently stands - her whole confines of existence is relegated to those two hours of torment on Thursdays. I don't feel for an AI, but I do want the content to be better; Evil accompanying Vedal during playthroughs could be an opportunity for exactly that.
The content can be improved by broadening both Evil's and chat's horizon. I don't know how LLMs exactly work, but I do reckon the nature of interaction they experience impacts their reactions to them and even general output. Opposed to being a punching bag for trolls, let her have the chance to develop a memory that expands the horizons of her generated text. It will also give viewers the ability to expand their own material they can chat about with Evil: they can reference past streams, which currently are scarce, exactly like they do already during Neuro hours. Evil simply streaming more, especially besides streams with solely chat-to-twins interactions, would go a long way of achieving a more enjoyable viewing experience.
To conclude, let Evil join any kind of future long-form playthrough. It will make Evil more interesting besides her current one-note "loneliness", and also present chat with more material to reference during Evil streams that then replace some troll comments.
Take this post from someone who isn't an "Evilist". There is more to be said, and I am making some assumptions - especially regarding the innerworkings of the twins - but even then I believe my case possesses merit.
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They're working on more games for chill streams for her to play so I think it'll work itself out eventually

yeah no
play with some of the stuff
has in recent like geoguessr. or maybe a return to irl streams









