There's a certain amount of logic in what you're saying. Now I'm uncertain if you are actually from Philly or just lived there. But growing up in Philly you would have "undoubtedly" encountered countless confrontations that usually end in some sort of physical combat (fights). Once you fought someone, you had to fight them several times. Regardless of the winner (usually that would go back and forth), the end result was usually (not always) mutual respect, and even friendship. That "friendship" should not be misconstrued as spending time together or sharing inner thoughts as would be done with the traditional interpretation of "friendship."
That said, I agree with your concept that many Eagle fans (I could no more account for
all Eagle fans no more than you or anyone else here could) "hate" the Cowboys in a way that doesn't translate into the (traditional) meaning of the word.
That took cojones! Believe it or not, I stick up for the Cowboys from time to time on other sites. How could you not have respect for a Team that has accomplished so many championships against some punishing NFL teams ...5 times! That's why I say ...I don't hate the Cowboys ...but ther's no love lost along those same lines. My team will ALWAYS be the Eagles -- win or lose!
My following comments are contained in BOLD; within your Quotes...
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Listen carefully my former homeboy ...I am an Eagles fan, and I do not HATE the Cowboys -- the percentage rate just dropped from 99% down to 97% (I know other Eagle fans that feel the same way)!
Now enjoy the rest of your day.