Those are pre-emptive moves for minimizing what is a very small chance of collisions, not narrowly escaped near certain collisions. Air traffic control does a s

Those are pre-emptive moves for minimizing what is a very small chance of collisions, not narrowly escaped near certain collisions. Air traffic control does a similar thing with keeping planes spaced apart in zones under their control. In space a small thruster nudge will have a huge impact at a very low cost