Yeah that’s how it goes.
Just earlier today I spent an embarrassing amount of time trying figure out an issue where the classic “debug print” didn’t give the correct value. And as is often the case, I had forgot to change print to the new test variable.
Sad fact: American police training involves teaching them to shout “drop the weapon” or similar after they shoot someone. Specifically because it sticks in the mind of witnesses and makes it easier to get away with shooting unarmed suspects.