Allow users to fully block entire categories, even if they're pushed by purple-checkmark streamers.
Not everyone likes the same things, but some topics are being treated as if they're ubiquitously enjoyed by absolutely everyone. Each time I encounter a specific topic that's being pushed through the front page, I immediately exit the site. Marketing these streams to me does nothing to improve my opinion of them, and only serves to reduce my opinion of Twitch. Allow me to customize my feed in a way such that I can avoid content that I know that I will never like.