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The present discussion rises a number of the questions. For example, isrotational coherence of large molecules necessarily destroyed in theconventionally statistical limit of structureless non-selective continuum (forfixed total spin and parity values) under the conditions of completeintramolecular energy redistribution and vibrational dephasing in the regime ofstrong ro-vibrational coupling? For the slow cross-symmetry phase relaxation,quantum coherent superpositions of a large number of complex configurationswith, e.g., many different total angular momenta produce image of a rotation ofmacroscopic object with classically fixed (single) total angular momentum.Suppose that the quantum coherent superpositions involving a very large numberof different good quantum numbers play a role, in a hidden form, in a formationof macroscopic world. Then why these quantum superpositions are so stableagainst quick aging/decay of ordered complex structures preventing or slowingdown tendencies towards uniform occupation of the available phase space asprescribed by the random matrix theory? And what kind of complex macroscopicphenomena may reveal traces of partially coherent quantum superpositionsinvolving a huge number of quantum-mechanically different integrals of motionbehind of what is referred to as conservation laws in classical physicsemployed for the description of the macroscopic world?

Flashing coherently rotating carbon sticks in $^{24}$Mg+$^{24}$Mg collision