As I see it, there is a simple way to help "change the world", and you really do not have to do anything. Call it "proactive densensitization".
The most baffling problem in this are all the morally indignant slaves that cry crocodile tears of nomian servitude. And on things that shouldn't even apply.
How the fuck does policing offensive things and punishing offenders stop anything? You beget a society of offended fundamentalists with more sacred cows than the Indian subcontinent. Does western society truly believe they can end prejudice through punishment of trolls?
Let' just coddle bitch-made sensitivities a little more. And of course, you create new stereotypes because you eradicated the getting offended part.
Case and point: Stereotypes given to us by the PC movement.
Your typical bleeding-heart antifa liberal hate hater. They are such copy/paste whiny annoying fucks it's hard not to wanna put on an SS uniform and antagonize them. They hate those who hate. The inverse proportional balance to the dude with an "88" tattooed on his forearm.
That said...
Consider, sites like this (and others without censorship), the last bastion of places you can get away with this shit without the cultural indignation police stepping on it.
Facebook, Twitter, YouTube, and other like all brought in line of late. All weary of the litigation and uproar of offending some liberal faggot or influencial cleric that cries tears for the intolerance still on this planet or blows up a subway.
Now for the offensive image:

[Image: "Semitic Person With Camel"]
Now I encourage you to join me (or not) in posting your favorite offensive anything...