Ah, so it isn't so much that they don't need to be entangled, so much as, describing them as entangled isn't a good way to frame it, because all the electrons (

Ah, so it isn't so much that they don't need to be entangled, so much as, describing them as entangled isn't a good way to frame it, because all the electrons (and the rest of the material) will be all entangled with each-other, so, it isn't a distinguishing feature, and misleading to focus on the two in the pair being entangled?