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So basically you don’t believe that quantum computers exist at all, it any capacity, that the whole thing is either a hoax or a big misunderstanding.
It's either that or you believe they do exist, and quantum computation is real, but just not very powerful vis a vis these use cases.
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I’m saying that if time is quantized and discrete, then the mathematical substrate required for computation does not exist in the way the formalism assumes.
QC relies on continuous-time unitary evolution to define superposition, phase accumulation, interference etc. If time has a smallest indivisible tick, that formalism breaks; this is well known in mathematical physics and has been the core known problem. Differential equations cease to be fundamental; coherence across infinitesimal intervals is undefined with an atomic tick. What remains are discrete update rules, not a scalable computational substrate.
So QC as a model of computation with asymptotic power (e.g. Shor), requires an assumption about time that may not be true. If time is discrete, QC reduces to an effective, limited approximation, not a fundamentally new computational class.
That’s not controversial. Discrete time breaking continuous-time QM/QC is a known result. You’re welcome to fact-check that. I will wait for you to do so.
