Err.. even on my PC with a TPM chip that has biometric data, I can replace the RAM, GPU, CPU or any other component without a problem. People need to think critically with a technical mind, instead of simply accepting Apples fairytales.

But all that aside, people are free to repurchase a new phone or get the entire motherboard replaced when a $0.50 component fails on their phone. I and many others prefer to repair it and save money. And not to mention .. reduce the e-waste burden on our planet as a bonus.