It reduces the possibility that unnecessary changes will be introduced to a system without forethought, introducing faults into the system or undoing changes made by other users of software.
The term typically implies forethought, such as intentionally setting up the conditions to plausibly avoid responsibility for one's (future) actions or knowledge.
The construction of such a plant in this area runs against urban planning as most settlements and cities show forethought and conscious design in their layout and functioning.