They might however "nod off" in consequence of losing control during risk-taking activities and being subjected to high Gs.
Whether "medical event" was prior to or resulted from risk-taking adventure,
and hence culpability, will await forensics I imagine. If those are possible.
That determination aside however,
risk-taking that puts others at risk (e.g., flying over other people) is morally and in many jurisdictions legally prohibited for obvious reasons.
