User blog comment:Pi.jayk/Closing the wiki/@comment-32697988-20190720234044/@comment-34955424-20190721021945

Quoting Pi.jayk's reply

Slack and Discord ≠ Wikia

Wikia is for terms and characters and other things, not for conversation. If the Wikia is deleted, then the definition of terms will be deleted.

Vandalism rarely continues for a long time, because once detected, moderators will just stop them.