Honestly, as a non-American this scares me. I am absolutely not at all important and a fairly mediocre programmer as well, I don't store compromising data about anyone, never stole code or company data in my life (and never will), etc., you get it. A normal law-abiding citizen. I still don't want to get my phone taken on an US airport and returned an hour later with God knows how many viruses that even Apple wouldn't…
The elephant in the room in this case is that at a most basic level a State is an entity that maintains a (near) monopoly of violence in a given area. Being a normal law-abiding citizen just means that you are currently functioning in an area where the State's goals somewhat coincide with you living with some degree of freedom and comfort. Or at least they have no current incentive to mess with your life. But the who…
Oh yeah, I am painfully aware of the power imbalance and that we're left alone simply because the powers that be don't have the resources to pick bones with each and every one of us. No other reason. If these things can get automated -- robot/AI security personnel -- then I am sure they'll start searching everyone's devices because it'll be practical and quick for them.
As mentioned above, I am a fairly average citizen and like 99% of people I just want to go about my business without being disturbed. I am social, easy to put a smile on my face, and fairly casual in my demeanor. I discovered this works really well with figures of authority -- they automatically write you off as harmless and leave you alone.
Still, I dread the thought of having to divulge that I have a collection of erotic pictures and even some copyrighted material in my photo gallery (e.g. small snippets from movies). If somebody wishes me harm they can absolutely do it -- sadly.
And that's the part that's not OK. The rulers want us always guilty of something by default. Sigh.