If the courts interpreted the constitution more broadly, the 10th amendment would render most federal laws and regulations unconstitutional.  Ever since the Wickard v. Filburn era (or arguably even before then), the courts have given the federal executive, legislature, and bureaucracy great deference.[1]<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Wickard_v._Filburn" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Wickard_v._Filburn</a>