Board Thread:Support Requests - Getting Technical/@comment-14282052-20160707234944/@comment-5558012-20160708015824

You really have 600 categories that are constantly recreated? If so, you need to be blocking some users instead of simply protecting pages. As for the method, you delete the page but you are not recreating it (hence the creation protection, you are protecting the title - Special:Protectedtitles).