Friends system is a simple but important part of any site. Good way to create communities in twitch and see what each other watch. Easier to message others without needing to find them seperately. Twitch owners need to rework the sýstem instead of just removing it. Losing this system makes twitch less social. Stalkers can be feeded out.

It was received very well by most users: https://blog.twitch.tv/en/2016/05/05/the-friends-invite-only-beta-is-live-58d7a7da6a55/