What?
Adams, great as he us, is one man. Not a whole population or even the group of Founders.
Just admit there is no qualification in the Constitution, created by the Founders.
There are now 4 or 5 Amendments to the Constitution that prevent States from disenfranchising different classes of people,in direct contradiction to the Founding fathers agreement that this would be a State issue.
Republic’s and Universal Suffrage are not compatible.
You mistake omission from the original document with lack of intent.