The various state credentials given to their delegates dictated their duties and latitude of decision making.
Amendments to the Articles regarding its main deficiencies as to commerce, taxes were proposed and defeated soon after the war. Despite several attempts, the Articles were never amended. In contrast, our Constitution was amended ten times shortly after it was put into practice.
As you said, you haven't had time to read all of the previous posts. I ask you to remember the Convention imposed nothing, but only recommended a new government. State conventions composed of representatives of the people ratified the Constitution. As for legitimacy, the Articles of Confederation, as far as I know, with the exception of NH, were ratified by State Legislatures.
No Herculean efforts here. I started reading the debates some months ago, took a few notes, the notes grew . . .
Agreed.