- Tory Bruno (CEO of ULA) promoting ULA on reddit under his own name providing useful information: Definitely ok (thanks Tory! https://old.reddit.com/user/torybruno)
- Tory Bruno promoting ULA on reddit under a pseudonym: Almost acceptable, not the best since he has money involved and isn't disclosing it, but he probably honestly thinks most of what he is saying.
- A PR person hired to promote ULA promoting ULA on reddit under disclosing that they are a PR person: Mostly acceptable, not the best since they probably aren't at all genuine
- A PR person hired to promote ULA promoting ULA on reddit under not disclosing that they are a PR person or associated with the company: Mostly unacceptable, this isn't personal opinion but paid propaganda, and it shouldn't masquerade as personal opinion.
- A PR person hired to promote ULA promoting ULA on reddit under 10 different pseudonyms: Completely unacceptable, this should probably be made outright illegal. The only purpose of using pseudonyms like this is to trick people into thinking you have support that you do not.
The article is talking about the last case, shades of grey exist, but this one is known as pitch black.