Original sentence: Concerned omnivores who respect vegan culture are often discouraged by the failure or reluctance of true vegans to openly censure such behaviour.Correspondingly, it must be conceded that many non-vegans find that no matter how they behave, there will always be vegans who respond negatively, even aggressively or violently, towards them for deviating from a privileged moral norm.Some of the most violent incidents in the history of social protest have in fact been instigated by those seeking to disseminate ostensibly vegan principles
Edited sentence: Concerned omnivores who respect vegan culture are often discouraged by the perceived failure or reluctance of true vegans to openly censure such behaviour, though the vast majority of vegans often express concern and revulsion both amongst themselves and to others.Correspondingly, it must be conceded that many non-vegans find that no matter how they behave, there will always be a small minority of vegans who respond negatively, even aggressively or violently, towards them for deviating from a privileged moral norm.It has been said, without provision of evidence, that some of the most violent incidents in the history of social protest have in fact been instigated by those seeking to disseminate ostensibly vegan principles