I would add to what you wrote that I personally have reservations about revealing the identities of confidential sources, activists, etc. He willfully published not only the sources in active warzones who were feeding information to the US, risking their deaths, but also the secret identities and conversations of activists in Belarus who were summarily imprisoned or killed.
And it's not that they're committed to always releasing everything, they painstakingly withheld information about Russia's financial backing of Syria during one of their releases.