Since when has the BBC become squeamish about "unprintable" (which itself is a strange choice of word on the web, by a non-print publisher like the BBC no less)

Since when has the BBC become squeamish about "unprintable" (which itself is a strange choice of word on the web, by a non-print publisher like the BBC no less) words like 'fuck'? It's not like the haven't been using it before: https://www.bbc.co.uk/search?q=fuck https://www.bbc.co.uk/search?q=fuck