I work in this field. The short of it is: there is more money out there for PIs to get defense related grants vs cure for cancer type grants. Some of it is for good, e.g. modeling where to dispatch mobile hospitals for the Ebola outbreak.
Modeling the world's population doing things like fleeing a dirty bomb takes an astonishing amount of compute if you want answers in a timely fashion.
As an end user of Atlassian products - their support leaves a lot to be desired. Not sure if that ties in to "doing things differently" but there you go.