What do you base that on? The Founders didn't even provide for women to vote. The country was made a republic, not a democracy, because the people couldn't be trusted to know what is good for them.
The Founders didn't even trust the people to elect their own Senators.
I really can't think of any basis for your statement. The document is not long, and most of the words are not complicated.
The principles when they are applied to the real life situations are enormously complicated.