Again, I wish to agree with you that most of this bickering is childish & pointless.
The incident that I found particularly offensive involved children. An busload full of United States hockey playing children crossed the border into Canada, as they were invited to there to play a game with Canadian children. Before even reaching the arena, their bus was assaulted, vile insults were hurled, garbage was thrown.....at children!!
This show of brave Canadian patriotism continued inside the arena.....against children. The game had to be cancelled, and the children had to quickly flee back to the safety of the U.S.
I find this behavior utterly despicable, & contemptable.
I have no interest in who behaved childishly first, and; have no respect for anyone that is willing to behave childishly as long as someone else does it first.