Is it possible to completely exclude the use of Cupertino in the project?

In theory, it is possible to completely exclude the use of Cupertino in a Flutter project if you are only focusing on Material Design and an Android-like interface. However, in practice, this can lead to a loss of native iOS style and degrade the user experience on Apple devices. Cupertino provides widgets that mimic standard iOS elements, which is important for adhering to platform guidelines. If the goal is a cross-platform unified design, you can do without Cupertino, but it should be considered that the interface on iOS will look less familiar to users.