Looks like DesktopArticleTarget is getting loaded - that isn't right...

bisect blames https://gerrit.wikimedia.org/r/#/c/405046/ by @Catrope, which is tricking DesktopArticleTarget.init into thinking the page is an article.

Specifically it sets wgIsArticle to true so that this check passes:

if ( $out->isArticle() && $title->exists() ) {
    ...
    $tpl->set( 'copyright', $this->getCopyright() );
}

I think we should introduce a new method $out->showsCopyright(), that defaults to isArticle, but is overridden in Flow.

Change 407500 had a related patch set uploaded (by Esanders; owner: Esanders):
[mediawiki/extensions/Flow@master] Revert "Add copyright footer to all pages that need it"

https://gerrit.wikimedia.org/r/407500

Change 407500 merged by jenkins-bot:
[mediawiki/extensions/Flow@master] Revert "Add copyright footer to all pages that need it"

https://gerrit.wikimedia.org/r/407500