Since a Watch Streak gives 450 points by viewing only (five?) minutes of a stream, I would modify the priority system to 'forget' priorities for a minute and switch to the newest live stream until collects the 450 points, then resume normally watching the top priority live stream.
I think it makes sense giving up just 10 points (5 minutes) of a top streamer in order to grab the 450 points of my 3rd or 4th ranked live stream.
Since a Watch Streak gives 450 points by viewing only (five?) minutes of a stream, I would modify the priority system to 'forget' priorities for a minute and switch to the newest live stream until collects the 450 points, then resume normally watching the top priority live stream. I think it makes sense giving up just 10 points (5 minutes) of a top streamer in order to grab the 450 points of my 3rd or 4th ranked live stream.