If you think they don't pay any heed to the whims of streamers, you haven't been watching.
Of course they take streamers into consideration when designing and adjusting content, why wouldn't they.
Streamers are a [b][u]FREE SOURCE OF ADVERTISING [/u][/b] for Bungo, so for them to just outright ignore them would be detrimental to their bottom line, and we all know full well that is all that matters.