What are you talking about? You might be associated with individuals who posted content that may appear questionable. You may have a connection of a connection on social media who wrote something questionable altogether. Where does the association end?

FYI software at the border to inspect phone content simply parse the file system and copies over all files for further analysis. It also transfers all emails and more text analysis. Anything flagged by filters get shown to the operator who may be surprised to see so much crap on a visitor device.

No, we do not "raise one eyebrow" because someone was born on the wrong patch of dirt. That is a shameful and disgusting approach for the "shining city on a hill" to take.

It doesn't matter — it is so obviously wrong to discriminate based on country of origin that I can't even believe we're having this discussion.

(And yes, I'm aware that consular posts do it all the time, issuing fewer visas to people from the wrong countries. States suck, and state violence sucks.)