If your house plumbing is leaking, its not a leak to you unless you see it? How do you know it hasn’t been accessed?

Thankfully we don’t need to rely on your definition of a data leak: https://www.fortinet.com/resources/cyberglossary/data-leak

A data leak happens when an internal party or source exposes sensitive data, usually unintentionally or by accident.

This is sensitive data that’s accidentally been exposed on the internet. That is a leak. You are misinformed on what a data leak is.