There is. Cross faction queues. No matter how many people sync their clicks, they have the chance of being placed against each other on the same battlefield.
You’d see premades disappear overnight.
A group of people, stacking the queue, to make a premade.
If there are 5 or fewer players, they don’t need to sync click.
I don’t care that you clearly have an issue with it. I care that the method is allowed.