The complexity, reliability, and user-friendliness (or technician-friendliness) of the kinds of software components you need to plug together to make a software

The complexity, reliability, and user-friendliness (or technician-friendliness) of the kinds of software components you need to plug together to make a software solution are more like that of a space shuttle or fighter jet than, say, a car, let alone a plumbing fixture. The glamour (and risk to life and limb) of doing so is that of plumbing.