What In The World Was DeMarcus Cousins Thinking On This Inbounds?

Did he think he was on offense? Did he think the Warriors were shooting on the other basket? Did he think the ball was being inbounded from behind him? Did he think he was guarding somebody who hadn't yet walked onto the court? Sometimes players make the wrong decision on defense, or react too slowly, or forget their defensive scheme, but usually they don't completely forget to stay within two car lengths of their man. This play is amazing.