If you draft better than the enemy team, avoid making blunders, play to your team compositions strengths and have a solid gameplan you pretty much win every game. And with the addition of 300 iq coaching and top class players that can swap roles, you can get the upperhand by threating the opponents with a flex like this. Imagine you are playing rock paper scissors but your opponent can flex from paper to scissors in a split second. This ensures that picking rock is a 100% lose for you. It is either competitive league is evolving into a era which role swapping is the new normal or some teams will abuse this and the regulations will change to prevent this.