A law repugnant to the Constitution is NOT void until a court finds it in conflict with the Constitution.
For easily confused folks the land referred to in the Supreme Law of the Land, aka the Constitution, is the United States of America, aka, America.
Public opinion does not trump court decisions.
Since your not smart enough for simple concepts, I will try to help you (not thinking that your abilities are up to speed, but here we go)
Dredd Scott was a law that was passed and courts allowed it to stand for a number of years? Your argument that the courts are so great belies your understanding.
Stick to simple things how do they get toothpaste in the tube.