Precedent shows that some Question Foo can be marked as a duplicate of Question Bar, even though Foo was asked before Bar.(Cite: 267081) This shows that one question can be called a duplicate of another not based on time, but on quality of answer.(Cite: 251938, 189782, 169388)
Thus, instead of:
This question already has an answer here:
Question Bar? N answers
Shouldn't it read something like this?
This question has a better answer here:
Question Bar? N answers
Or even more accurate to our methodology:
This question is posed and/or discussed better here:
Question Bar? N answers