Everyone work out their aggression on these poor, unsuspecting crates? Good. Moving on...
"Vital testing apparatus destroyed."
— GLaDOS, Portal, whenever you shoot down one of the security cameras
"My car, man! I just paid that thing off!"
—Dominion Marine if you destroy a certain car on Korhal, Heart of the Swarm
"My car, man! Why does this keep happening!?!"
—Dominion Marine if you destroy a certain car on Korhal, Legacy of the Void