While I agree with you, the leftists that I debate with see the Constitution as irrelevant and outdated and chuckle when I cite it. Therefore Article 5 doesn't need to be followed. They much prefer to "make" the rules that are best for us through judicial interpretation and executive agency regulation.
They can chuckle all they like but the constitution is still the supreme law of the land. We are a nation of laws and our service members and representatives swear an oath to defend the constitution. Their opinion is legally inaccurate. Well at least in theory......