See, here's the thing. Had you left out the two underlined words, your point would have been made without furthering the racial aspect.
Sam is not the only caucasoid on the team. But he was the only player who stayed. The two guys you blame are white but that is utterly immaterial to your point or this discussion.
I don't think this is really about the song at all. It's about a large group of individuals who are BMOC and don't like being told to stay after the final gun and sing a kid's song. They finding it demeaning to their individual manhood.
For 100 years, the team has stood together, win or lose, and performed this ritual. It was a classic team building exercise.
What we have is not a team. It's a gaggle is selfish products, (of various flavors) who would like nothing better than to spend as little time on campus as possible and move on to the NFL. That's the dream.
And that ain't changing anytime soon.