system
A chat on subreddit /r/wallstreetbets
human
Because this price is stupidly good for this account, meaning the offsetting order is stupidly bad, so MMs would catch the offsetting order from his other account. 
  
 Someone else posted Robinhood cancelled their copycat orders, so I think Robinhood was filling these themselves, assuming his screenshots are legit, which makes this a way bigger story lol

gpt
The screenshots don't show his order filled. Only the limit order he placed. They are basically worthless screenshots because they don't mean jack shit