They are hyping giving Amazon and the streamer money (exceptions for the trusted charity streams). Like when the cable shopping channel hosts would go crazy about how many foot spas they have sold in the last 5 mins.
Except the host is some flashing message above the chat box showing what hype train "level" has been reached.
Imagine $FOOTBALL_TEAM fans vs $OTHER_FOOTBALL_TEAM fans, except instead of their fervor being a minor factor setting the general mood in the arena, it’s the actual competition