> There is at least some chance that a big awful corporation is more trustworthy than a plurality of miners.

Definitely. But it's about central points of failure, not trustworthiness. The trustworthiness of a company is irrelevant if the government decides to confiscate all its assets.

For people doing transactions, I'm pretty sure trustworthiness is what it is about. Very few people in the US or EU have concerns about the government seizing assets held on their behalf (you can reply that they should have such concerns, but as a practical matter they do not).