Thing is at the moment he is not being asked to be accountable for wiki leaks and there are no warrants out for him for that. He wants wiki leaks to make him immune from prosecution for sexual crimes on a personal level. Lets face it, if you took out wiki leaks from the the situation the whole world would want him chucked out of the embassy and thrown to the public.
For God's sake even the much loved Clinton had to answer claims about his personal sexual life. Obviously Assange thinks he is above what he and his supporters say is the corrupt most powerful men in the world.