It breaks HN's rules to solicit votes (see the FAQ), which promoting a submission often has the effect of. This often gets the submission, accounts, and/or site banned or penalized, so please avoid this. HN's software, moderation, and (as you've seen here) community are all sensitive to it.
Also, as a Refind user, I recognize quite a few of these people. Definitely here because of the announcement and not fake profiles.
You don't need to be sceptical about my account :) It has been registered with Hackernews for >1 year. Many YC alumni can confirm me being real and being not Dominik (founder of refind). I know him personally, I have been a happy user of refind and when I learned there was a chance to push it on hackernews I did.