Achievement Hunter GTAV videos are so ingrained in my mind that it feels to me like
Los Santos is just another part of Achievement City and the Grumps are on vacation visiting it - A-
Braeburn rather fake injury to make Applejack take his place in the rodeo than admit she’s just better than him and he REALLY want their family to win!
Or sumthing. I dunno. Probably animation error, but we all know it’s more fun making up explanations like this.