Trezor is another dependency you have to trust. I actually have the skills to evaluate such a device if I had a few weeks of spare time. Expecting the average

Trezor is another dependency you have to trust. I actually have the skills to evaluate such a device if I had a few weeks of spare time. Expecting the average joe to have that ability is folly. We have a system of laws and contracts and enforcement that allows someone to trust their bank account without a great deal of sophistication.