That feels true, but a single gas station disappears and people fill up somewhere else.
The world isn’t a static place. The impact is often closer to saving X thousands of people a few seconds than anything more meaningful. Perhaps the indirect result is someone finds the love of their life but it could just as easily be a life changing STD or getting run over and impacting many people means many such indirect changes both positive and negative.
A gas station sells gas that is gone within weeks. But someone fills their car, and drives to Mountain View and gets a job that changes your life.
Helping a business grow by 10% more each year because they were an early adopter to websites is something you impacted, even if your code isn’t there to remind people why.
“All we are is dust in the wind.” (Kansas and Ecclesiastes)