Many people today no longer agree with the founding governing rules of our constitution. Things such as the electoral college and adding supreme justice term limits are highly debated by many today.
Explanation:
To be honest, the constitution shouldn't be controversial and I don't think I have enough context for this question. If a teacher asked you this question on a homework or exam I would be concerned. The founding governance of our countries democracy is not "controversial" or at least it shouldn't be in the public school system. But those are 2 reasons some people dont agree with it.