Not every leader will be so hellbent on trying to save a city that could eventually end up posing as a potential problem to the rest of the city that are nearby.
The wise thing for a true leader to do is to abandon a city at the cost of keeping several other cities safe and way from the potential danger that Turdale city might pose.
At least in his case, that is the decision Colton will make for the safety of the majority not the minority.
Whatever possibilities that the leaders outside of the barrier end up arriving at, Colton does not have any plan on staying idle by while waiting for the decision of those outside the barrier to work in his favor.
"What are you suggesting we do". Ruby said.
Ruby and Jace always happen to have a mutual agreement when it's a word that comes directly from Colton.
He has demonstrated his ability to make decisions that guides them into a state of maintenance and survival.