Board Thread:New Features/@comment-35252845-20180712131901/@comment-1038387-20180712134830

Reason 1: known bug, they're (still) working on it. It's one of several known bugs they're working on, though some should be fixed by now.

Reason 2: but it does fit the theme of probably tons of other wikis.

Neither of those reasons is compelling enough for staff to revert to the old one. They seem quite intent to keep this style of branding, which is in line with what they've rolled out elsewhere.