In Manning's case those journalists removed the names before publication.
Snowden released a lot of sensitive information to the exact same organisation who decided what to publish. It was essentially just an internal Wiki dump. He didn't personally curate it.
You'll have to cite cases where Manning published the names of people directly which put them at risk. Last I heard everything went through third parties before publication.
In Manning's case those journalists removed the names before publication.
Snowden released a lot of sensitive information to the exact same organisation who decided what to publish. It was essentially just an internal Wiki dump. He didn't personally curate it.
You'll have to cite cases where Manning published the names of people directly which put them at risk. Last I heard everything went through third parties before publication.