Buying elaborate screensavers–programs that put moving images on a computer monitor to prevent damage–can cost a company far more in employee time than it saves in electricity and monitor protection.
Conclusion
Buying elaborate screensavers can cost a company far more in employee time than it saves in electricity and monitor protection.
Evidence
Employees can't resist spending time playing with screensavers that flash interesting graphics across their screens.
Evaluate
We need to extrapolate a Principle from this situation/argument.
A company buys a screensaver as a way to save money in the long run (because screensavers help protect their equipment from getting damaged), but the purchase sort of backfires when it turns out that employees start wasting time zoning out, watching the cool screensaver.
So the abstract elements here seem to be, .
Goal
Let's look for something that sounds like cautionary advice: .