By paying for SIM services? Regardless, I'm talking about the extra control you give to these companies like locking your device and making it a complicate task to unlock or even shift carrier

I don't understand why people give so much power to SIM companies to own/lock smartphones of users. You should be able to just swap in/out physical SIMs or activate/deactivate esims whenever you want. Tying a device to a provider seems so funny to me