As long as I've been reading HackerNews (all the way back since it was called StartupNews), it's been common to see founders chime in about their startups when

As long as I've been reading HackerNews (all the way back since it was called StartupNews), it's been common to see founders chime in about their startups when they are clearly relevant to the topic and it's not done by a marketing drone posting on their behalf, and with a clear disclaimer. Whether people gets downvoted or upvoted for it depends on whether readers see the comment as legitimate and relevant or as spam...