I'm generalizing here, but many Americans don't trust the government with surveilling the general populous. What if they use facial recognition to arrest you and that facial-recognition is flawed? How do you prove it?

If a corporation uses facial recognition to count how many times I walked into a 7-11, I care much less about that than I do about the authorities building a database and watching every step people take in public. Yes maybe it's a little tinfoil hat to say, but the police/district attorneys are people and some of them are good, some bad. Why give them a tool that can be abused and misused against you?