One of the more useful things an old website can preserve is not a conclusion but an argument. Mercury Rapids still hosts a 2006 article attacking the famous Billy Meier UFO photographs, followed on the same page by a lengthy response from one of Meier’s advocates.
Meier’s case became famous because the photographs looked unusually clear compared with the distant lights and blurry shapes common to UFO imagery. The page summarizes his claims of contact with beings he called Plejarans and then walks through evidence that critics said showed models, borrowed imagery and staged photographs.
The article is not coy about its position. It argues that famous images were faked and points to examples it says came from existing astronomical pictures, paintings, television footage, catalog imagery and small physical models. It also discusses testimony attributed to Meier’s former wife and older photo-analysis disputes.
Then the page does something that makes it more interesting as a Web artifact: it keeps the reply.
Michael Horn, identified there as an authorized American media representative for Meier, responds at length and contests the article point by point. He challenges the critics, cites other investigations and argues that the evidence has been misrepresented. The result is messy, partisan and considerably more useful than a page that quietly replaced the original article after receiving objections.
For a researcher, that preserved disagreement matters. Early Web pages often acted like public filing cabinets for controversies. Claims, rebuttals, links and personal accusations could remain sitting beside one another for years. You can see not only what people believed, but how they argued and what evidence they thought would persuade readers at the time.
Nothing about surviving on an old website makes either side correct. That distinction is especially important with extraordinary claims. The historical value is in the record of the debate, not in treating the page as scientific confirmation of aliens or definitive proof of every skeptical allegation.
The larger 1,967 Ancient Web Domains research list contains many pages whose value lies in this kind of context: old disputes frozen before social platforms compressed them into screenshots and disappearing threads.
The Pleiadian Hoax is still worth reading because the disagreement was left intact.