I don't see his request as a "I want to win at perlmonks" request. I see his request as a "You know, here is yet another way to learn interesting stuff."

I never look at "Worst Nodes", but I commonly look at "Best Nodes", because quite often "Best Nodes" contains nifty solutions to problems. Having a "most change in 5 days" is yet another pointer to nodes that might contain something interesting. I don't see how this could be a bad thing.