its not about objectivity. Its about fact
Those who take a factually unjustified position on this want to appeal to subjective opinion, ususally as a way to make their ideological position fit nicely.
The facts, and the numerous brain scans, the numerous independent diagnosies and the best medical science available to us at this time indicate a state of cortical death . There is no ambiguity here. Parroting the Right Wing line that there is ambiguity does not make it so.
DL