And you can buy replacement ear pads - breathing new life in to $150 Sony Studio Monitor phones I bought 30 years ago...

Those things you can tear open and re wire yourself if you really needed. Ship of Theseus mdr7506 is possible. Meanwhile how long do those airpod batteries last before you need to pay apples pizzo for replacement you can't do yourself? Some people say only like what 2 years or so. Rich coming from the company that no longer ships chargers due to ewaste concerns.