alt Hacker NewsI'd guess the most common scenario is for someone giving away the entire computer, not fiddle with components. Or theft of the full machine.
This feels like one of those half-security measures that makes it feel like you're safe, but it's mostly marketing, making you believe *this* device can be both safe and easy to use.
It's pretty fast to destroy all the keys in a TPM. Should take a minute if you know the right place to go. Meanwhile securely deleting a normal drive requires overwriting every sector with random data, which could take hours. So it also helps if you're giving away the whole machine.