Stand your ground isn’t justification to start blazing away. Really all it does is remove the requirement to retreat before using deadly force.
You still have to have justification for deadly force. So the question is whether a reasonable person would believe their life was in imminent danger from having popcorn thrown in their face.
Popcorn is thrown in his face, he’s taken by surprise, can’t see...who knows what’s coming next?
Two questions:
1. Why did Oulson throw popcorn at Reeves?
2. How does a three year old read text messages?