Board Thread:Support Requests - Designing Your Wiki/@comment-4339465-20200319190217/@comment-168424-20200320165329

FYI, FANDOM staff have said in the past that blocking all comments on a page is not a violation of the customization policy. Since Comments are not part of the Standard FANDOM features (they need to be enabled by an admin), the customization is allowed.

Of course, contacting FANDOM staff is the only real way to know.