[getsat]

Probably more of a combination of the two. Automated posts are pretty obvious, even to the less technically inclined. Lots of people will use something like "spyntax" (stuff like "This is {awesome|cool}, {take a look|check it out}!") to generate reusable copy, but it still generally feels fake. That's about the extent of human touch most people will give things if their goal is complete automation.

If you're writing posts/excerpts/replies manually, it's way more authentic and believable. Language is obviously super important in marketing (especially online), and it's one area where computers still have lots of improvement to make.