>What it may do more reliably is give the bearer some benefit of doubt. Exactly. It tells them you're "in the club" so when they fishing stop you with some BS

>What it may do more reliably is give the bearer some benefit of doubt. Exactly. It tells them you're "in the club" so when they fishing stop you with some BS minor traffic violation as a pretext they a) don't go all out with the 20 questions routine fishing for probable cause and b) let you off with a warning.