Board Thread:Support Requests - Getting Technical/@comment-39707429-20190616125611/@comment-1038387-20190616130020

No. That kind of defeats the purpose of discussions - to get everyone talking.

As it's not built on MediaWiki, normal wiki rules don't apply to it. You can't customize it with css, run scripts on it, or restrict parts of it. The only way to prevent people from participating on the Discussions/Feeds is to block them from the entire wiki.