Good. That means there will more of them to kill.
As of right now, Egypt is fighting a losing battle in the Sinai having no sway over the local Bedouin tribes), so the jihadis are building up forces and weapons to push the battle into Egypt proper, where they stand a better than even chance of routing the Egyptian Army which is tied up in two fronts (Libya). Once Egypt falls, the jihadis will once again control all of North Africa - the base which they used to conquer Europe once before. History repeats, this time with nuclear weapons ...
When you stop the money they stop