Heck, even Disney and Universal sometimes have fun with the rivalry. Granted it's been many years, but when I was a kid, my parents took me to DL and Universal (this was 30 years ago).
On the universal tram ride (not sure if they still have that), there were a few people with mouse ears. The tram tour guide took it in stride. he said, "I see a few people here with mouse ears on. We have no problem with that - we like our neighbors, but you are required to visit Disney tomorrow with a universal jacket".
Personally, I don't go to Universal. Been there, but it's not my cup o tea. I prefer themed rides to "violent" rides. EE is about as drastic as I go, and in terms of "real" roller coasters, it's a lightweight. Universal just has too many rides that are too intense for me, and not enough that is my level. However, I have no problem with people that do go to Universal.
That said - I do and will tease you mercilessly about it. Just like I personally use an iPhone. MY friends are androids. I give them flak and they give it back. It's all goodnatured.
You don't have to have my taste in theme parks. But don't complain about the occasional ribbing I give you. Pick an equally good name for Disney and jab me back.
