A revert may be done for a wide variety of reasons, including: fixing errors introduced by previous edits; restoring the material to a state that was not contentious until new disputes can be resolved; undoing scope creep; regression testing; and even petty malice, vandalistic intent, or personal unhappiness with the author of a previous change.
A revert can be performed for a wide range of reasons, including: correcting errors introduced by previous edits; restoring material to a state that was not contentious until new disputes could be resolved; preventing scope creep; conducting regression testing; and even malicious intent or personal dissatisfaction with the author of a prior change.