MMA is a sport, any hard feelings one has when stepping into the cage should be left in the cage. Treat the cage as you home and treat it with proper etiquette.
The walkout shirts were slightly different, I believe based on country of origin, but that was also very confusing, as I saw many guys I know to be american wearing other colors, I believe Jeremy Stephens, born in Iowa and training in So Cal came out in the colors of Mexico, so there is always that. But as different as they were, they were all exactly the same, once again with zero individualism in what is sold as an individual sport.
Everyone has gone out to buy tickets for an event and bought them from the ‘Big Box’ ticket companies. It makes you wonder how the fighter gets paid. Typically these companies work exclusively with the hosting venue. Which means they are able to dictate the price that you are charged for their service.