Uhm, Assange’s mission is to expose abuse by members of powerful organizations, directed at protecting their own positions and covering up abuses with more of the same.
Assange is a political actor. This is especially clear after his explicit support of Trump during the U.S. 2016 elections. Of course, being a political actor doesn't negate the substance of the revelations he facilitated, but his agenda definitely isn't based out of an objective desire to speak truth to power.
