If you don't like the Xiaomi experience, don't buy a Xiaomi phone. Xiaomi ships an intentional set of features and apps that deliver what they believe is a best-in-class smartphone experience.
If you bought the device, then you have the right to do what you want with the device (modify, tweak, repair).
If you bought the device, then you have the right to do what you want with the device (modify, tweak, repair).