Anti-wikileaks propaganda movie
Of course. If you doubted for a second, that a Hollywood, Dreamwork production wouldn't try to twist truth and adopt a negative narrative towards an anti-establishment activists, you're dumb.
There are dozens of books about Wikileaks, all pretty good, but Dreamwork right away chose to produce the most toxic and false of the books, so toxic that they distribute it to the US army personal to discourage anyone from divulging informations.
If you still don't know what the actual position from Assange was, well here is the actual letter he wrote to Cumberbatch about it: https://wikileaks.org/First-Letter-from-Julian-Assange.html