Not even that. They could believe that they are in a job where they are expected to move at a pace that implies sloppy code. Of course, that will actually mean

Not even that. They could believe that they are in a job where they are expected to move at a pace that implies sloppy code. Of course, that will actually mean they move much more slowly due to bug fixes, but a junior dev in an environment without a good senior dev can easily fall to the "quick and dirty" fallacy.