Not as any particular argument but for some perspective on that, these are the only cases I've been able to find of people recovered after being missing 6+ months with a vehicle within like 20 miles of here. (if anyone knows of others please send me them!)
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> James "Jimmy" Edward Amabile was missing 18 years (2003-2022), found in his 2002 Ford Explorer off a boat ramp in Darby Creek. His vehicle had a pylon driven through it.
> Bernadine Waters Gunner was missing 14 years (2010-2024), recovered with her 2006 Hyundai Elantra from the Cooper River along Route 130 in Pennsauken, NJ.
There have been so many surprises following missing with vehicle cases though I really hesitate to rule anything out. There does seem to be a lot more (but smaller) accessible water in NJ closer to Danielle's place.