Perhaps the owner had them fitted to avoid any more scuffs!Saw this neat installation whilst out today . The scuff on the front bumper could indicate they don’t work too well!
Ha ha pmsl!More likely the other car did not have parking sensors, instead choosing to park by braille. Had a woman do that to me in a supermarket car park. When I got out and confronted her about it she told me to "go away" and that is what the bumpers are for....
Terrifying to think what other misconceptions such people have! Like "that is what airbags are for... "and that is what the bumpers are for....