I wonder what size the quantum/classical boundary inside a black hole is. The smallest point in a black hole that involves spacetime would be the boundary size in every direction in the shape of a sphere. Anything that goes beyond that point would be only dark matter ..quantum waves, time isn't there.
https://1ucasvb.tumblr.com/post/142605511227/in-einsteins-general-theory-of-relativity-space
Spacetime scales when it bends. Reality is scaling. We already know about time dilation ..but a meter stick in one time scale (region of space) will shrink or expand in another time region. It will still be a meter no matter how much it scales, because, for that region ..that is the reality of what a meter length is. This is why the speed of light does not change.
If we could somehow harness spacetime, we could magnify atoms ..not optically, with reality scaling.