The irony that phenylephrine intravenous is actually effective at maintaining blood pressure in people who are trying real hard to die on ya. (Our ICU uses it sometimes.)
https://www.lhsc.on.ca/critical-care-trauma-centre/phenylephrine-neosynephrine
You have to wonder if we aren’t just confirming what the Great Filter is. There may not be any space faring civilizations.