Did anyone even say anything about that…?
Fact is, crossrealm in itself makes it too anonymous. Even the super large realms by themselves makes it too anonymous for our brains to remember people on average. It breeds toxic outbursts. And it actively discourages teamwork. This is part of why you see a difference in the average level of cooperation between pugs compared to the premades, as well as in the communication itself.
The same effect can be seen in retail as well.
While this may sound contradictory since there are also xrealm premades, they aren’t matched together randomly on the spot with no mental acceptance of each other when they organize prior to the BG itself. Then people recognize each other’s names since they’re in the same premade, and they’re more encouraged to communicate as well.
You can read more about it in this thread:
in this link as well.