Ninja Left Twitch For Mixer - What does this mean for twitch?

I shop for my glasses online at . Check them out for 55% off free shipping: (Free basic lenses, premium and marked down frames excluded) Ninja announced today that he’s left twitch for mixer. did microsoft pay him off? if so, how much? what will twitch do to retaliate? what does this mean for twitch which already has a bad reputation. What does this mean for mixer and the people who already use it?