The link I provided to the command & message limitations are referring to what is being sent from you to the server.
What Twitch doesn’t disclose on their API are their limitations of the amount of data being sent from the server to you.
For example, back when I made a bot a few years ago. I was messing with the API to retrieve the top channels on twitch. By top, I mean the channels with the most viewers and I could only ever join 48 channels before getting disconnected. From there I realized that the disconnection was intentional because when you have twitch sending potentially 100K+ messages/second from chatters that is too much for them to be sending you lol. I am not sure if they raised the limit or not but that is also something to consider when making a bot that might be handling large channels.