These logs are really much more damning for Lamo, and after reading them in full it is hard not to identify even more with Manning.
We see a picture of Manning as someone under enormous stress (having just committed a crime of conscience for which he may pay dearly) and looking for someone to reach out to. He appears isolated, both in the real world, by the fact that he has no one to talk to about his actions for fear of being turned in, and in the military– where he is isolated due to his size, temperament, and sexuality, not to mention his ethical and moral misgivings at having to participate in a war that he can longer agree with.
Lamo uses this to his advantage by offering to bridge both gaps, and perhaps offer Manning some sense of belonging and comfort that may allow him to open up. It is heavy social engineering, and a tactic that must have been somewhat familiar to Lamo, who specializes in getting information he wouldn’t otherwise have access to.