Actually, it's reassuring to be reminded that the Rules Makers consider, and often bother to test, the practical application and outcome of alternate approaches as means to "best" deal with a particular matter, rather than allow themselves to be obligated to the strict adherence to established practices, that may work very well under DIFFERENT circumstances.
Stopping play, via a Dead Ball foul, before the subsequent, and inevitable collisions occur seems a far more practical approach to allowing the free-kicks to continue, and then choosing options.