Still an incorrect comparison. That will tell you something about the state of the engine (valve guides, etc.) so you have a snapshot in time, or you are alerted to the start of an issue. It rarely alerts you to being on the edge of a catastrophic failure, as those are more typically due to fasteners coming loose, oiling issues, or running too lean.
Annually pressure testing a watch that is expected to be submerged a lot is something that helps *prevent* a catastrophic failure (i.e., water entering the case).
If you insist on sticking with a car analogy, I have one for you. You purchase a Porsche, BMW or Ferrari with the intent on using it on the track. You buy it new, and it has a 3- or 5-year warranty. Are you going to track it a few times a year and never inspect it just because it is 'new, expensive and under warranty'?
On the chance your answer is 'yes, of course!', that is why most clubs require inspections before you can take the car on track -- even if it is brand new.
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