If your thought process is "someone should make X..." then your next thought should be "I should try and make X...".

Go give it a go and as a minimum, you'll learn something about why it doesn't already exist yet and in the best case scenario, you'll create something that lots of people find useful!

This service has already existed for centuries.

You would use an engraving service. Almost every town has one[1]. There are also online options[2].

1. https://www.google.com/search?q=brick+engraver+name_of_town&...

2. https://www.etsy.com/market/brick_engraver

> But the offer has never been presented to me.

Have you actively seeked out such an opportunity, or are you waiting for one to present itself?

Your name lives forever on the orange site..