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Every entry in the original was a streaming copy, and every streaming copy was recent. That tells you when the page was assembled. It tells you nothing about the extent of anyone's work, because a list drawn from one distribution era can only contain what that era happens to be carrying.
For anybody whose career crossed formats — and a great many careers in this industry have — the recent layer is the thinnest part of the record and the last to arrive. Everything underneath it went through migrations that were never designed to preserve anything.
Four layers, and what each one dropped
Adult work moved through tape, then disc, then studio-operated streaming sites, then platforms. Each transition was a commercial re-release rather than an archival transfer, and re-releases are retitled.
On tape and disc, the unit of sale was a feature or a compilation, and the metadata lived on the packaging: a box title, a studio, sometimes a director, a cast list on the back. None of that is inside the video file. When a title was licensed on to a disc-era reissue, it commonly acquired a new name, and the scenes inside it were frequently re-cut into new compilations with names of their own.
When the same material reached studio streaming sites, it was split. A feature became individually purchasable scenes, each needing its own title, and those titles were written for a search box rather than for a shelf. The connection back to the original release survived only where a studio chose to record it.
By the time anything reached an open platform, it had usually been ripped from one of the above by somebody with no access to the credits and no interest in them. The title at that point describes the content in the vocabulary of platform search.
Why nobody can hand you a complete list
Follow that chain and one performance can legitimately exist under four different names, on four different products, with four different runtimes, attributed to four different brands — none of them wrong, none of them cross-referenced.
This is why filmography databases disagree with each other, and why they disagree most about the oldest material. They are reconstructing a record from packaging, trade listings and retailer catalogues, and the further back you go the more of the source documents are themselves out of print. Gaps in an index of this kind are usually gaps in the paperwork, not evidence that nothing was made.
It is also why a category word like "hardcore" does no work at all as a way in. It was never a classification anyone applied consistently; on the older formats it was a distribution distinction rather than a description of content, and by the platform era it had become a default tag.
What actually helps
Work from releases rather than from clips, and prefer any index that records alternate and reissue titles, because the alternate title is the join between two layers that otherwise look like different works. Expect the earliest era to be represented worst, and treat a thin early record as a limitation of the archive.
If the older formats themselves are the interest, that is its own category rather than a corner of a modern one — our vintage listings cover the sites that specialise in it, and they are organised around releases because that is the only handle the material comes with.
The original's opening also offered a biography: heritage, family, pre-industry jobs, a debut year, a run of awards. None of it was sourced, most of it is private detail about a living person, and none of it is repeated here. It is not incidental to the point above — the same page that could not verify a single credit was confident about somebody's grandmother.