For questions about the ability of gold tag badge holders to unilaterally close and reopen duplicates which were asked in tags of which they have a gold badge, and for them to edit the duplicate targets of such questions.

It is assumed that tag gold badge holders are well-versed and community-trusted for the specific tag they hold a gold badge of. As such, their vote-to-close power is proportionally reflected by means of this "privilege".

Additionally, gold tag badge holders have the ability to change a question's duplicate targets.

Reference:

When did I get close-vote superpowers?

Increase close vote weight for gold tag badge holders