Collapsible Steering Shaft Demystified

Where did you hear that ? What factory keeps seat belts in their system for replacements for 10 year old (or older) cars
The NTSB sees seatbelts as a single use parts like airbags.

When in an accident the forces can cause damage that is not visable and result in the belt webbing less functional in another accident.

Not that anyone changed them out. I know I have never done it.