Ukraine is pushing for a NATO-led no fly zone specifically for this reason. They can't attack this column without exposing their troops to counter-attacks from

Ukraine is pushing for a NATO-led no fly zone specifically for this reason. They can't attack this column without exposing their troops to counter-attacks from Russian aircraft. For now, there is no functional difference between destroyed equipment and disabled equipment. Turning this disabled equipment into destroyed equipment carries risks for no immediate gains. (Granted, this might look like a poor decision in hindsight)