system
Given the following post, respond as if you're commenting on Reddit:
human
[X-Men 2] How many people died when Xavier mind-flayed every human on the planet?

And what were world governments' response?
gpt
The majority of normal humans jut got a bad headache from the short exposure. Striker seemed to have taken no real damage of any kind from the experience. A few very weak, sickly, or elderly may have died as a result but their numbers were probably very low.