He was only off by a month.
While I think these false predictions do a huge disservice to how Christianity is viewed, in light of his stroke I won’t say anything bad about him.
Interestingly, my old man was all caught up in a prediction that the rapture (or whatever) was coming in 1988. He ended up dieing suddenly that year (and was ready!). It was a good reminder to me that the end of the world is going to happen to every single one of us. Perhaps this Camping fellow had a similar feeling as my old man.