Any other issues besides that possible conflict of interest? Also, you're the founder of a competing service, right?
https://news.ycombinator.com/item?id=39276106
beyonddd should really identify themselves as the founder of a competitor. Nothing wrong with posting, but pseudo-anonymously disparaging the competition seems very inappropriate.
It also adds some credibility: You actually know what you're talking about in regard to this kind of service.