Assange is alleged to have released unredacted info that exposed informants in warzones. This while running a service - not an infrastructure, a service - for exposing information.
Arguing that he hasn't personally killed anyone is not a strong rebuke against such allegations.
Compromising informants working for a foreign government invading another foreign land is not a crime, nor much of a moral dilemma.
The risk inherent to collaborationism is also not one anyone but the informant must account for. Just as mercenaries operate in that same high-risk-reward / low-solidarity space, and accordingly join the cast of characters in war zones along with spies and informants without international sympathy.
Arguing that he hasn't personally killed anyone is not a strong rebuke against such allegations.