The core of the earth is a dynamic system under great strain and pressure.
Dynamic systems change all the time. Even on a geological scale.
It's like when you stir a pot of hot tomato sauce. Even as you stir it to even the temperature steam bubbles form and break the surface splattering hot tomato sauce all over the stove, counter top, and floor you just cleaned.
So, what you’re saying is that the earth is fixing to splatter hot tomato sauce all over us?