I have had showdead enabled for years and I think I can count the number of dead comments that didn't deserve the status on one hand.

Same.

I turned it on very soon after I setup my account. My own personal tolerance for speech is less aggressive than what we see here on HN. I dislike completely inaccessible history, and basic accountability is why.

Works like the trash does. Want to see how people live? Pick through the trash.