I won't name names, but there used to be a web site that had information on a particular minicomputer and particular OS that was hard to find elsewhere. The proprietor had this crazy idea that people linking to pages on his site, rather than top page only, was somehow stealing from him. (There was no actual paywall or advertising.) His policy was linked to from his top page, but if you found a page using a search engine, you wouldn't see that.
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He redirected any requests with a referrer other than his own site to useless pages.
It is unclear whether he didn't understand how the web works, or did understand but wanted no part of it.
When people criticized his policy, he shut his site down entirely, replacing the top page with a statement and graphic blaming it on villagers with torches and pitchforks.
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@brouhaha ohhhhhh I remember this! I don't remember which OS it was but I remember the old internet lore of That Guy Who Hates Links

I have rarely wanted any of the information from his Web site, though I acknowledge that it was information quite useful to people running that particular OS.
Yesterday I had occasion to search for information not specific to that OS, but to the mini it ran on, and Google's top hit was they site. I was surprised that it was up again.
Long story short, it was NOT up again, and Google had cached the page from a LONG time ago.
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So I tried to get the page from Internet Archive's Wayback Machine, as one does.
I guess I shouldn't be surprised that the vindictive SOB blocked that, too. (He may or may not have specifically cared about the Wayback Machine.)
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I can dig out the specific information I wanted from the OS kernel sources, instead. It's only a slightly bigger hassle, since the kernel sources were included in the binary distribution of the OS, for sysgen purposes.
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@brouhaha this was long enough ago that I was using IE6 at the time.

@brouhaha This sounds strangely similar to the no-search fedi crowd...

@buherator
I have slightly more sympathy for that, but not a huge amount.