suppose X is dying and everyone in his family circle consents, why not try it? Being an emergency and all. Nothing to lose
The speed with which things that help against this coronavirus are being found really is impressive. It is good to be facing this in the modern era instead of 50 years ago.
I imagine not everyone feels comfortable potentially killing someone with a creation of theirs that they're not confident in, even if others are willing to risk it.
e.g. if dying from the immune response or a co-infection.