

So, since the financial bottom line or military advantage is so important, they go along with it anyways. The organization may be able to reverse-engineer copies, or lesser versions, but they don't understand how it actually works. Removing them causes the entire thing to simply not function (or triggers a more active response). The organization's analysts went over the thing, and while most of it makes sense, there are these elements, either program or device, that they cannot comprehend at all. Such technology falls into the hands of some organization, usually the military or a commercial business. The original creator is unavailable (either dead, an alien or from a long-gone civilization or otherwise can't be reached), but said technology is really convenient.

In narrative terms, this is a device that produces near magical results but the comprehension of the device is at best a guess by the characters, meaning if it breaks a replacement is not easy.
