Reasons for immediately deleting something

In real life: I add real things to Chandler.

I suspect that this workflow issue is perceived only when working with items (notes, events, tasks,
whatever) that are for test purposes, not for real.

If what you entered in Chandler was a passing thought, worthy of noting, even momentarily:

* allow yourself that thought.

Your thought was real. In Chandler, mark your note of that momentary thought as:

* done.