Because they're adults that can make their own decisions and not mentally challenged patients under a megacorps guardianship?
We also can't count on every person being able to check every single thing they do: how do you check if some food or drug you get is good or not? you can't really, you have to trust someone who knows.
Yes - the democratically elected government, not a monopolistic entity with capital interest.
Society should be more dangerous as a means to force people to learn more about technology they rely on.