Would you consider displaying the chat in your streams so that YouTube viewers can see it when they watch the recording?
I did that for a while. People didn't seem to like it. Twitch viewers said it took up screen space & YouTube viewers said they didn't care too much about what the chat had to say.
That's fine. My "humor" isn't for everyone. Just don't watch/listen to me. That being said I'm not gonna change because a small percentage of people don't like it.