Right, because there’s no possible way that Applejack would have been content with how this ended. Clearly, she’s a fun-hating asshole who decided to take on extra work for herself and cover Rainbow Dash’s teaching duties just so she could have a miserable time because that’s definitely the sort of friend she is.
Closing shot of the episode, right before the End Credits.
Exactly.
Despite its expression, it approves.
It seems like quite a few people didn’t quite catch her saying that.