TL;DR
This paper critically reviews the claims of quantum resources like superposition and entanglement, highlighting their limitations and the need for a more realistic perspective on quantum technologies beyond hype.
Contribution
It offers a skeptical analysis of quantum resources and emphasizes the importance of ethical considerations and realistic expectations in quantum technology development.
Findings
Quantum resources may be overhyped and their usefulness is more limited than claimed.
Absolute randomness in quantum mechanics is argued to be metaphysical.
Quantum cryptography is vulnerable to man-in-the-middle attacks.
Abstract
The claims made in a manifesto resulting in the European quantum technologies flagship initiative in quantum technology and similar enterprises are taken as starting point to critically review some potential quantum resources, such as coherent superposition and entanglement, and their potential usefulness for parallelism and communication. Claims of absolute, irreducible (non-epistemic) randomness are argued to be metaphysical. Cryptanalytic man-in-the-middle attacks on quantum cryptography are well known to be feasible, but hardly mentioned. If all of this is taken into account, a more sober perspective on quantum capacities emerges, but one that may be ethically more justified than the "hype and magic" that drives many current initiatives.
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