The principles of a society are based on the sum of the principles of it's individuals.
Considering this there are two ways to alter the perception of right and wrong in the eyes of the masses:
1. Mass Manufacturing of Consent (MMoC): Utilize media in order to warp the perceptions and understandings of the masses (works with most, outliers are unaffected, very fast and very easy. Very easy to reverse by the same means)
2. Progressive Individual Persuasion (PIP): Affect the people surrounding you individually by making discussion with them, providing smal doses of the redpill and progressively easing them into your mindset. (Works with all, especially if you have solid reason, outliers are asspecially affected, very slow and very difficult. Very hard to reverse if your methods of persuasion are the right mix of reason and emotion)
Considering this it is possible to reverse the perceptions and opinions of the individual, and thus reshape the society.
Now considering the greater and greater push by social justice on all fronts, its mass appeal, its firm grasp on the media, and its illusion of reason; it is a great foe and one we may likely lose against (say 98% chance). However, given the above principles there is a way to reverse their damage before they push too far.
Method 1: The silent Journalist
Print info-graphics, leave em on lamp-posts in places with high traffic during the night when no one is watching.
Method 2: The morning star
Concoct reasonable arguments, and very strong counter arguments against your enemies. If you know any in your personal circle or within proximity who are not too far gone, approach them as a companion on their side, proide reasonable arguments to persuade them of your view-point along with info if necessary, and other tactics of persuasion. Should it work then continue to do so with more and more red-pill powder until they are right-leaning enough to start joking about SJW's.
Hope this helps. God bless you all.