Because a deep-pocketed company can be sued to recover the cost of my house - Samsung, Google, or Apple, and they take all possible precautions to make sure this isn't needed. Not going to successfully sue "big luck bright shine battery company of shenzhen"
The same factories you wouldn't trust with the replacement also make the originals. So you wouldn't buy a phone at all?
Because a deep-pocketed company can be sued to recover the cost of my house - Samsung, Google, or Apple, and they take all possible precautions to make sure this isn't needed. Not going to successfully sue "big luck bright shine battery company of shenzhen"