They have suspended his account /user/BigG123 , but his video is still on the front of /r/videos.
This is not a new issue. Just browse through some of the popular marketing forums and you will find many services for Reddit upvotes and aged accounts. Some have been in business for several years now.
Here is one example:
blackhatworld.com/seo/reddit-hype-2-0-get-thousands-of-highly-targeted-visitors-from-reddit-discounts-available.869655/
Steemit needs to be careful to stamp-out the practice of buying votes before it becomes commonplace on this community like Reddit.