Detox will not strengthen the immune system of HN.
Immunity is conferred when the 'garden' is threatened and unifies to counter a problem.
That problem? Inflammatory, unsubstantiated comments that cause people to upvote and downvote not based on the validity of the comment but whether it's favorable to their ideological values.
I believe people can have civilized discussions about politics in HN -- I've seen it before.