[BSunday]

may cause police to pull over drivers without due cause

Seems like having one of these license plates is automatically due cause.

[theDentist]

I think that was their point. Just pulling someone over for that plate and having no other reason was a violation of thir rights. And if the car was loaned to a wife/husband/sibling...

Any lawyers out there who can undoubtedly explain it better than I?