To understand why this specific string is famous, you have to break down the commands:
Manufacturers release patches to prevent Google from indexing these internal pages. Conclusion
Accessing a private camera feed—even if it isn't password protected—can be considered a violation of privacy laws (such as the CFAA in the US). These feeds often show private businesses, warehouses, or even homes.
Without a robots.txt file to tell Google not to crawl the camera's internal pages, the search engine indexed them like any other website.
Instead of making the camera public, access your home network via a secure VPN.
: This filters results to pages that have the word "webcam" in the browser tab title.