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Determine whether d-wave BCS theory with realistic (forward and point) disorder accounts quantitatively for rho_s0(p), the T-linear $\\rho_s(T)$, and the residual uncondensed Drude weight seen in terahertz optics, or whether intrinsic inhomogeneity or a different pairing state is required.","problem_ref":null,"references":"","settled_by":"Optical, penetration-depth and tunneling data on the same overdoped films compared with disorder-averaged Bogoliubov-de Gennes calculations using independently measured scattering rates.","status_note":"Dirty d-wave calculations (2017 onward) reproduce several trends, while optical data showing a large uncondensed fraction are cited against them.","title":"Why the superfluid density collapses in overdoped 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