He was getting ready to do a split. NFL Network has a top 10 TD celebration and they always pay homage to the guys from 40+ years ago. These guys helped build the league and people LOVED those high fives in the endzone and back flips.
Not saying you have to love it but I think this is one of those "back in my day we had real music" while forgetting how their parents also said the same thing when they saw Elvis dancing onstage.
I never said you "have" to turn it off. Just letting you know there are other options.