The real question is:
Why not?

Made for Pinkie Pie appreciation day.
This is definitely something she'd do ( ͡° ͜ʖ ͡°)

Dubbed with AI here
https://www.youtube.com/shorts/KZ-zCU2BKME

Based on that one meme
https://me.me/i/why-do-you-ride-a-horse-like-that-its-not-00ecc8a8c02848e194d5c60a1ff50eaa

Pinkie Pie by CreatorOfPony
https://www.deviantart.com/creatorofpony/gallery/53665066/eqg

Sunset Shimmer by MythicSpeed
https://www.deviantart.com/mythicspeed/gallery/56637468/dls

Voices by Pinkie Pie & Max Payne contacted via
https://app.uberduck.ai/