As a basis of your claim, it has been posted 9 times so far. https://news.ycombinator.com/from?site=pictureddit.com

application of occams razor: people will repeatedly post and promote their own individual work because they have a desire for others to interact with it and gain value from it, and beyond that because they desire attention for their work and effort. pretty evident to me

People can promote their projects here as long as they put some effort into it and it isn't obvious spam.