> Two years after the events (entirely reasonable in the investigation of such a thing), there was indictments being issued.
No. According to this source [1], the Obama administration did not indict Assange, as his known actions did not differ from those of other journalists.
[1] https://theintercept.com/2019/04/11/the-u-s-governments-indi...
> It's legal and ethical for a journalist to report on crimes. It is not legal, for example, for a journalist to break into a building to steal information on crimes, however valid that information may be.
Even taking that as an assumption, it is still perfectly ethical to encourage privileged source to leak information about crimes or other information whose publication is of significant public interest.