Google Search was one of those tools that I used in copyright validations. If someone added, like, 4KiB of text to Wikipedia in one edit, especially if that text sounded unencyclopedic, I'd just find a distinctive paragraph, copy-paste a swath into Google Search, and see where else on the Web it had existed for years before.

I suppose that was the actual domain of turnitin dot com or other "plagiarism detectors" that you spend good money to subscribe to. So Google Search was a blunt instrument, or sledgehammer to the fly, but hey, it did work enough times that I didn't need to resort to the scalpel class of tools. I think it's completely broken now. The LLM does try to intercept large chunks of text. The question is whether we Neanderthals* can come out of our caves and stop grunting at computers, and speak to them more as peers than like Doberman Pinschers.

* Yes, along with my 99.44% pure White Celtic-British Isles DNA, 23AndMe has detected Neanderthal ancestry. Go Thag.