Conversation so far:
What was the controversy Geoff Tate was involved in about?
Since 2012, Geoff Tate has attracted some controversy, mostly in part to the circumstances surrounding the split with Queensrÿche, when his bandmates replaced him with Todd La Torre
What happened that made Queensrÿche split in 2012?
Geoff Tate's bandmates, guitarist Michael Wilton, bassist Eddie Jackson and drummer Scott Rockenfield fired him from the band and replaced him with then-Crimson Glory vocalist Todd La Torre
What did Geoff Tate do to get fired from Queensrÿche in 2012?
Geoff Tate spitted on and physically assaulted Wilton and Rockenfield during a show in São Paulo. Then, he said you guys suck to the Rocklahoma Festival crowd on May 26,
Are there any interesting aspects about the Geoff Tate article regarding the controversy?
Geoff Tate accused the video uploader of manipulated the footage. He insists that he accidentally dropped the phone while trying to take pictures of the fan and of himself.
Were there any consequences for Geoff Tate for throwing the fan's phone?

Question: Why did he spit on those people?
Self-contained rewrite: Why did Geoff Tate spit on spit on and physically assault Wilton and Rockenfield in Sao Paulo?