Board Thread:General Discussion/@comment-24739709-20151201202536/@comment-13301-20151213120643

Staff is the ultimate responsible for this neglect, they should be fixing the page titles on a case by case basis, on the wikis where the current page title may be problematic for SEO, and not to force this change that does more harm than good on some of the largest wikis.

I'm pretty sure they can get the contents of MediaWiki:Pagetitle of all wikis, and filter only those with more than X characters, to work on them. In the worst case, they could run a bot to delete or change them to a sane default, but still allow on-wiki customizations.