Minimizing app size is quite relevant in some circumstances. For example, when an app is being used at a live event, you could have 1000s of people downloading

Minimizing app size is quite relevant in some circumstances. For example, when an app is being used at a live event, you could have 1000s of people downloading it at the same time over the same wifi connection. Even a small decrease in the app size will help decrease that initial bandwidth spike.