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Nobody thinks it will work, do they?
— Diane Court · Say Anything...
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker asks whether anyone believes the plan will succeed, and the tag 'do they?' suggests they suspect the answer is no. It reads as a tentative, slightly deflated bid for reassurance, mixing awareness of widespread doubt with a lingering hope that it could still work.
Context reviewed