I agree that trolling is unhelpful- whatever its source.
But that can be dealt with.
The trouble is, an opposing fan can make a reasonable comment that would be treated with respect if it came from one of us. Often it isn't. Even mild 'bantz' unleashes a salvo of abuse at times.
The...
All this.
Don't see why any away fans can't come on. It'll still only be a tiny percentage overall.
They can post on any thread too. As long as they respect the forum. Be interesting to read other perspectives.