I've seen a few questions just pop up from this account. It seems like the answers that are posted are actually relevant and typed by a human, but it's obviously an account that belongs to a corporate entity rather than belonging to an individual. The name and logo are of that corporate entity. Some of the answers, such as this one actually link back to their site.
Are these posts within the acceptable use policy for this site? While some of the information is useful, it seems like they are using the site more as an advertising source to get people to find out about their product. It seems like they have an ulterior motive for answering questions that already have sufficient answers simply to get their name on more pages.