The Case Against Quantum Computing
A Hacker News resurfacing of Mikhail Dyakonov's skeptical essay arguing that practical quantum computing is unrealistic, primarily because controlling the astronomically large continuous parameter space of a many-qubit state is beyond reach. No new technical results are presented; the item is opinion and the associated discussion thread.
Why it matters: Useful as a reference point for the standard skeptic's argument about analog control precision and error-correction overhead, which teams pitching quantum roadmaps will encounter.
Error correction & fault toleranceIndustry, funding & policyoverview