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Shouldn't the Stack Overflow editor disallow posting questions when title contains only "What am I doing wrong?"
You might be able to eliminate this particular wording, but there's a long tail of similarly useless titles. I think the current system of letting other users edit the title is sufficient.
It really only matters when the question is fresh anyway. Google will find it later no matter what the title says.
I think that a better solution would be to automatically flag questions with identical titles for moderator review. This would have several advantages:
I would actually be interested to see how prevalent these kinds of duplicate titles are on Stack Overflow.
UPDATE: Mark Ransom has helpfully provided a sample query for duplicate titles (screenshot below), but it only counts exact duplicates. I think that a "fuzzy" match for question titles that differ by only one or two characters would be even more effective at weeding out duplicates.
I like Chris's idea about sending them for review. Another thing that might be feasible to cut down on editing would be to popup a message when people ask a question to suggest they improve the title if there are already more than a handful of questions with the same title.
To determine what's "the same" we'd probably want to do something like:
and then compare. Might end up using a lot of server resources though.
Possibly you could also ignore the word order if you wanted to cast a wider net. Just sort them alphabetically for easy comparison.