system
A chat on subreddit /r/wallstreetbets
human
Because the joke doesn't need that last line you wrote to be funny. It doesn't do anything for the joke other than add another sentence when the joke already ended in the previous one. It's like when someone says something funny and everyone laughs but then they keep talking and keep trying to add to the joke until it's no longer funny anymore.

gpt
Maybe it is not needed. Just additional pun.