Problems couldn't be solved by just letting time pass them by. It could get bigger if not handled as soon as possible.
Ely wanted to avoid living with the problem, but solving a big problem was more complex than it seemed. Not to mention, there were too many unknown variables.
However, Ely didn't focus on the problem because she didn't want to overlook the easy solution. She and Yuuki agreed to stir up the bigger trouble and leave it elsewhere by involving more variables to take control of the overall situation.
Not all problems have solutions, but they have outcomes. In the murky water of a flowing river, they could slip away from the enemy's focus, much better than being trapped in a pond surrounded by predators. Also, some parties might solve their problem for them.
'Hmm, when the time comes, we'll strike them in their own game. Or perhaps, they will fall into the counter-trap.' Ely glanced outside as she felt the wind was still blowing in a direction she could not predict.