Here's the thing: I run a wiki for horror stories called the Fearfic wiki. I posted Matt Dymerski's "Psychosis" and "Asylum" stories both because and because I remembered they were on this wiki. However I was browsing this wiki 1 day and noticed Matt's stories weren't on here anymore. I assumed they were removed from this wiki for copyright reasons so just to be safe I emailed Matt (I contacted him through CreepypastaStories.com btw) and asked him if I should remove his stories from my wiki or I could keep them on there. He replied back, and I'm quoting directly here:
"All good, I actually don't know why they're not on the creepypasta wiki anymore."
So if he didn't ask for his stories to be taken down from this wiki then why are they?
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William See (talk) 16:24, 13 February 2022 (UTC)[]
As far as I’m aware, theres been quite a few pastas by the name of “Psychosis” that have been deleted for quality over the years. Maybe it was a mistake? You’d have to ask a staffer on their talk page. However, reuploading the page won’t work if you haven’t shown evidence the author gave permission, so maybe sort that out so the pages don’t get taken down again.
Cornco- *splutters and dies* (talk) 17:11, 2 April 2022 (UTC)[]
I made a blog post asking about this in 2019. Here it is.
The answers are in the comments. According to Empy and MrDupin, it was due to licensing issues.