Think of it from this perspective, you’d likely see an equal amount of the opposite faction doing those quests as well, assuming they’re in newer zones. Suddenly you’re encouraged to group up to fight off the other faction, and you complete it 5 people at a time instead of one at a time.
Advertise / force. I’d still be on horde benediction if they didn’t ramrod us into this solution for a problem that didn’t exist.