I checked again and the original message denying me access switch to
Sorry, that page doesn’t exist!
Why not try a search to find something else?
The censors are tweaking their messages to make them sound innocent.
There are lots of ways to make your material unseen. Banning is the nuclear response, some are more subtle.
They do the same thing with "Climate Change", a not so obviously political issue.
There are lots of ways to hide a post, namely to set your default to "Most Relevant" and bury the response, to put it under "See other comments', and to clip it and put "see more", to strip it of vital material being readily observable. All these have been used against me, in responses to folks on climate change threads.