[a_a_r_o_n]

Why? They're not searching it because it's randomly in the street, they're searching it because you are presumably interesting. If you're that interesting then there should be no problem getting a warrant.

The privacy issue here is whether you have the right to avoid specific scrutiny by the government. I think the government should either have to make their case, or GTFO. That's the myth we learned in Civics class anyway.

We don't let the government do things merely because they can.