If someone with less skill and less dedication than you took over your job, could they degrade the quality of your work?
Its not difficult to make a list of twenty things that could be done to make it late, expensive or defective.
Here is the hard question: If someone with more skill and dedication took over your work, how many ways could they make it better?
The first step in improvement is imagining that it could happen.
We are often not under or victims of the circumstances, we are the circumstances.