Report a playstation player on xbox

Ok , but it clearly doesn't work, because i did report and every time i received an email that we didn't find any offensive thing in gamer tag or club name so we did nothing.

But obviously i was not meant to report a gamer tag or club name , i meant the unsporting behavior which make this game not fun.

But when you to report in a nother way, like in a website they say we can not follow it up , because we can not see the game or what happened in the game.

So what should players do ?