Guy is just asking for chicken carbonara with no bacon and the server keeps telling him it isn't possible.
Then this lady gets super incensed and starts going off calling everyone that disagrees with her "medigan" which is apparently a derogatory term used by Italian Americans to insult people they think have "lost touch with their Italian heritage"
The comments and replies are 
CW obviously discussions of and images of meat https://xcancel.com/sandinistaoliva/status/1952374193275756572
I'd like to think that is a joke, but white nationalists do get very weird about which flavour of white bread founded all these ancient slave empires.