As repairmen we always want to do things right. However, we are sometimes limited in what we can do by the guys that worked on the instrument before you.
The neck cork on this Selmer Mark VI tenor is way too long. But since the guys in front of me that put the extra-long cork on the neck, I must do the same thing.
When he glued the cork on he also roughed up the neck under the cork. So not to show the bad neck scratches I had to put on a long cork.
Sometimes the guys in front of you might make different decisions on how things must work and then many times you are stuck with his decision. Even if you don’t agree with that decision.