It's not funded by the licence fee, but by revenue from the commercial arm of the organisation, BBC Worldwide. It's not as though those in the UK who pay the licence fee have a right to view the content free of charge.
Presumably the international version of the site is supported by advertising (as many other BBC online properties are), and someone decided it would be better to just block UK users' access to this content than to provide it to them with advertising, creating no end of confusion...