I don’t think it’s really as surprising as people in this thread seem to think.
It’s not just “ouch my mouth”. Your body has an extreme, undeniable stress reaction to the chip. Its not inconceivable that could push an underlying condition over the edge.
If this was a story about a sedentary 14 year old who died after being challenged to run a marathon with no training, people wouldn’t be saying “Oh wow, I didn’t think jogging could kill you”.