This is a disadvantage only when you are on trial. That's a pretty extreme contingency, and I think most people who aren't internet privacy advocates wouldn't be particularly worried about their phones, of all things, after they've been arrested and indicted.
Outside the HN bubble, this is an acceptable tradeoff. People who are concerned can continue to use passwords.
Outside the HN bubble, this is an acceptable tradeoff. People who are concerned can continue to use passwords.