Failed attempt to escape from the quantum pigeon conundrum

TL;DR

This paper refutes a recent criticism of a quantum setup that violates the pigeonhole principle, clarifying the quantum nature of this violation with pre- and postselection.

Contribution

It provides a rebuttal to a critique and clarifies the quantum mechanisms behind the violation of the pigeonhole principle.

Findings

Refutes the criticism by Kunstatter et al.

Clarifies the quantum nature of the violation.

Supports the validity of the quantum pigeonhole principle.

Abstract

A recent criticism by Kunstatter et al. [Phys. Lett. A 384, 126686 (2020)] of a quantum setup violating the pigeon counting principle [Aharonov et al. PNAS 113, 532 (2016)] is refuted. The quantum nature of the violation of the pigeonhole principle with pre- and postselection is clarified.