We have to help solve the problems of the world. Not just there but everywhere. Conflict has a way of spreading like a fire.
If you ignore it because it is just a spark and it doesn't threaten your personal safety. Then you look again and that spark has turned into a raging forrest fire that is at your door threatening your very existence.
Isolationism has never worked. It just delays the inevitable. Usually the costs of the delay is far greater than taking action in the first place.