An analogy would be Hansard and theyworkforyou.com. The government always made Hansard (record of parliamentary debates) available. But theyworkforyou cleaned the data, and made it searchable with useful APIs so you could find how your MP voted. This work was very important for making parliament accessible; IIRC, the guys behind it were impressive enough that they eventually were brought in to improve gov.uk.
> “We are also working on providing a new licensing arrangement which will allow third parties to apply to use our data. We will provide more information on this in the coming weeks.