Though the Pitch Perfect movies are beloved among musical fans, there are quite a few Pitch Perfect plot holes. The movies follow a group of young women that meet one another in college when they join an acapella competition group. The Barden Bellas did not get off to the best start, but after learning how to work together to bring out the best in each other, they became an unstoppable group with strong friendships, even if not everything lined up from a story perspective.

https://screenrant.com/pitch-perfect-trilogy-problems-plot-holes/