Amazon hired employees to tweet nice things about it
sfgate.com
sfgate.com
A well crafted post in HN can make a lot of money, and it is happening every day. Its only because of the strong moderation here that those posts are either taken down, or are already indistinguishable from being a regular post from a well-meaning person.
Privatice profits, socialize loses. Amazon has a PR problem with its employees, but the rest of the citizens should be also worried because they are paying for it.
Political candidates already do this to minimize their weak points and capitalize on their opponents'.
Countries already do this to save face when they're doing something that purchases bad will, like killing folks at a border wall.
There's no way to tell whether a comment on the internet came from a hireling, an outsourced firm, a bot, or a real person who genuinely feels or believes what they're saying.