Ummm...nope...
America had been under the rule of a sovereign - King George III, who exercised "powers you wouldnt...
So, Article 1 is about the power of Congress - a power that limits the power of the President that once could be..
However, I would encourage members of Congress to read Article 1 (and add in the impeachment provision of Article 2.) It gives powers that, in #DimwitDon's words, they seem not to believe.