

He’s not saying this because he has influence with Microsoft directly. He’s doing it because he’s Brian Eno and he will be heard, and because of the respect he’s earned amongst his peers, he will be heard by people with even louder voices. So Microsoft and other companies and consumers will hear. Hopefully with enough acts like this, companies are shamed enough that it affects their bottom lines enough that they stop supporting genocide.
It’s like Infinite Jest, just an alternate timeline.