You forget that the Supreme Court can only hear those cases that are brought before it, and that Congress can pass new laws to replace ones that have been struc

You forget that the Supreme Court can only hear those cases that are brought before it, and that Congress can pass new laws to replace ones that have been struck down. In principle, it could even pass the exact same law again. It might get struck down again, but there's no actual penalty for making an unconstitutional law.