Also, it is ridiculous considering that character is way older than Disney itself and provably comes from outside US jurisdiction.
Once Upon a Time is a (still active) series produced by ABC Studios, which is a wholly-owned subsidiary of the Disney-ABC Television Group, which is in turn a wholly-owned subsidiary of Disney. The show incorporates dozens of Disney franchises (or, rather, the Disney versions of classic stories) entirely because of its ownership.
That reminds me, I should download Jungle Book from librivox, I need more books to listen to.
Overall campaign finance revenues, however, are maximised by supporting copyright expansion, because copyright holders who already own substantial collections of copyrighted works are willing to back politicians who support their interests, but there is no equally big pot of money for politicians in favour of balancing copyright.
It is one of those cases where what is essentially legally sanctioned corruption allows for regulatory capture of the political process against the interests of the government and public.