In the time taken bickering about people using their moderation privileges properly you could have been reviewing.

Also, why is reviewing old stuff the Next Big Problem? Old questions are just as important as new ones, reviewing them shouldn't be discouraged. It's not a "waste of reviewer time".

What are you arguing about? @Oli, There is crap that needs deletion. If you think an algorithm for doing that is bad, back up your claim with proof. Propose a better algorithm. Don't just say that because of edge cases nothing can be done.

s/literally/figuratively