“The more I think about this, the more I realize that all of these politicians, Dem or Rep, are working from the assumption that the police and sheriffs are too stupid to put one pant leg on at a time.”
I’m working from the assumption that Law Enforcement is just like any other profession. There are the top of their field ones (a slim majority) the mostly competent “get it right most of the time” ones (the majority) and then the Barney Fife ones (another slim majority).
IMO this law gives LEOs the authority to divine who may or may not be worthy of further inspection based on some pretty vaugue criteria.
I called for a heavily armed border back when the pubbies were pushing amnesty and I still see that as the best route.