[oneeyedpigeon]

Re-read their comment.

[layer8]

If they didn't notice the duplication, there is no use in removing it?

[oneeyedpigeon]

But this tool would have helped them spot it in the first place.

[layer8]

But for what purpose, then?

[oneeyedpigeon]

I think they were just making a sarcastic point - i.e. the tool has lots of uses!