...and how does releasing the update to everyone at the same time suddenly cut off streamers getting their viewers and TFP getting their new customers? A large chunk of these viewers the streamers will get are just game owners eagerly awaiting the release they're being forced to wait longer for. They can't buy the game again unless it's to give to friends and family. But you don't need a Streamer Event for proud game owners to already do that.
Everyone is right when they say "it's only a few days". But there's this brainless divide being put between the playerbase - where streamers with 5000+ subscribers (that's the requirement, if I recall correctly?) are basically getting treated like royalty in comparison to the regular old players who, in most cases, care more about the game and its future. "Hey we know you love our game but we're going to give this random person with lots of subscribers/followers on Twitch an even Earlier Access copy! We know you will understand, it's only a few days after all haha."
This Streamer Event practice will be harshly defended; but that still doesn't make it right.
A universal release won't hurt streamers and will still attract plenty of new customers to ensure the future of 7 Days to Die.