Wouldn't it have been more useful to merge duplicates?
Even framing the same question in different ways is useful. If someone posts a Duplicate, adding that to a list of "alternative questions" that is collapsed by default on the original post might have been a better approach.
It also takes away the whole "your question is worthless" dynamic that closing a question raises.
They occasionally merge duplicate questions. The results are awful because half the answers will refer to details not mentioned in the retained question.
Even framing the same question in different ways is useful. If someone posts a Duplicate, adding that to a list of "alternative questions" that is collapsed by default on the original post might have been a better approach.
It also takes away the whole "your question is worthless" dynamic that closing a question raises.