Too Many Bumper Stickers, Not Enough Time

How many bumper stickers are TOO MANY? At what point does our stoplight entertainment just become distracting? We all have a guilty pleasure of reviewing the bumper stickers on cars ahead of us, but why...so we know who we're dealing with that's why. This one is a perfect example that our Freedom of Speech should actually be a "Privilege of Speech." I personally think that this individual's right to express his or her personal opinions through prefabricated car stickers should be revoked...