Earlier quoted context omitted.
I've heard similar accounts, and anecdotally holds up, although my experience travelling for work specifically is limited. Incidentally, as a Canadian, I've been searched many more times, if not 100% of the time, coming back from the states than going in. Security theater in both directions though for sure, just looking for a slip up. Going in to the states, I once had a slightly vague answer about where I was stayin…
> They've got boxes to check. Yup. That's it. And the people running entry and customs at airports around the world are not necessarily the most capable and accomplished among us. I have lots of stories. For example, entering into Mexico (Cancun), there are probably twenty passport check booths. The line for passport checks easily had 500 people in it. Every single agent left their station, with only one left to proc…
For first world entry they just depend on the fact the 1st world country is harsher on security than them so they don't bother. Might be different if you enter from Mexico's south land border.