Question

What does “quantum theory forbids promiscuous entanglements” mean?

Answer 1

Quantum theory is the theoretical basis of modernphysics that explains the nature and behavior of matter and energy on the atomic and subatomic level. ... Planck wrote a mathematical equation involving a figure to represent these individual units of energy, which he called quanta.

Answer 2

Entanglement is a term used inquantum theory to describe the way that particles of energy/matter can become correlated to predictably interact with each other regardless of how far apart they are.