That is hilarious.
But no, I wouldn't have guessed he was pissed from the vid. Maybe if I got to see him closer I'd be able to tell, and if there was sound. Because I don't think most people like to show when they're mad, (even freaks like Liefeld*) so they don't make any gestures that can really be noticed from that distance.
*If anyone wants to defend him, please start by justifying this.
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"You gotta keep making decisions, even if they're wrong decisions, you know. If you don't make decisions, you're stuffed."
- Joe Simpson