Kill them all! Then bring them back! Then kill them again, maybe raping them too! Then bring them back and rewrite everything! Then kill them, bring them back as zombies, and rinse, and repeat, and...
Somewhere in this Atlantis attacks. I forget anymore.
Fortunately, I decided that the DCU ended with Final Crisis, so I'm not bothered. I would just submit that if DC is so obsessed with death, just remember, it's down, not across.