Does inflation squeeze cosmological perturbations?

There seems to exist agreement about the fact that inflation squeezes quantum state of cosmological perturbations and entangles modes with wavenumbers $\vec k$ $-\vec k$. Paradoxically, this result has been used justify both classicality as well quantumness primordial at end inflation. We reexamine question point out definition two-mode squeezing in previous work rests on choices are only justified for systems time-independent Hamiltonians finitely many degrees freedom. argue fields propagating generic time-dependent Friedmann-Lema\^itre-Robertson-Walker backgrounds, notion squeezed states is subject ambiguities, which go hand ambiguity particles. In other words, we "does cosmic expansion squeeze entangle k$?" contains same create particles?". When additional symmetries present, like (quasi) de Sitter-like spacetimes inflationary models, one can resolve find answer title turns be negative. further does not make any less quantum, least when deviations from Gaussianity neglected.