When the diversity team has the bracket to see who should be banned the 'team' that lost to the Nazis in the final was "Patriots fans'.
As online bigotry is such a commonplace and toxic subject, it was important to show creators Rob McElhenney and Megan Ganz that they tackle the subject sooner rather than later. This episode deals with Nazism but in a comedic way and takes a few critical swipes at how little online social media companies are doing to combat it.
The massacre of the Dinner Party peaceful protest is a reference to a incident in the MMORPG game World of Warcraft in 2006 when a Funeral being held in a PVP Zone was raided. In both cases the attendees had put on basic gear and did not have weapons equipped when the attack took place so they were quickly and easily defeated. The host of the dinner party and the deceased player were also the first ones attacked by the raiders.