Earlier quoted context omitted.
Unlike the things you take with you when entering the country, your home is still legally protected from unwarranted search and seizure.
If they really think something is going on, mandates will be emitted.
The US is a weird country. We have insanely powerful and arguably excessive civil liberties in some cases (advocating fringe political viewpoints, owning guns, the exclusionary rule) combined with crazy police state antics whenever the feds can get away with them.