Shortcuts are wikilinked on community pages, talk pages, and edit summaries, but not in mainspace articles. Transclusions in mainspace are common and do not need to be "fixed".
To a section: This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{R to anchor}}instead.
From outside the template namespace: This is a redirect from a page outside the template namespace to a template page. This redirect page must be outside the template namespace.