People
If all mankind minus one were of one opinion, mankind would be no more justified in silencing that one person than he, if he had the power, would be justified in silencing mankind.
— John Stuart Mill

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Even if everyone else agreed, the writer argues, that wouldn't give them the right to silence the one dissenter, any more than that lone person would be right to silence everyone. It's a principle about protecting a single voice against overwhelming consensus.
Context reviewed