There is no direct conflict of interest between students, and it is understandable to play a small temper occasionally.
It's good to say such a trivial matter. It's good for your physical and mental health to relieve your disgust. It doesn't mean who is right or wrong. It's not very important. What's important is to say it and let it go.
as you get older, you will understand two things. (1) always verbally strong is stupid. Smart people only talk about interests and don't mind temporary gains and losses.