That's right, all the authority they have concerning citizenship is that of making a uniform rule for creating naturalized citizens.
Since Constitutional authority must be enumerated and there is no authority contained therein to create natural born citizens, the federal government has no legitimate authority to do so.
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Even the Founders knew that. It's why they didn't 'proclaim' everyone to BE Natural born citizens.
They naturalized themselves with an Act that 'entitled' them to the rights, privileges and immunities OF natural born citizens.
……andPhillip Theobald & John de Polerisky, upon taking the oath of allegiance to this Commonwealth before two Justices of the Peace, & paying to the Secretary the fee in such case required, shall be deemed adjuded and taken to be free Citizens of this Commonwealth, and entitled to all the liberties, priviledges and immunities of natural born Citizens.
Acts and Resolves of Acts and Resolves Passed by the General Court of Massachusetts
Page 39
This is something they and they alone were entitled to do. Not because the founding generation were born 'in' the country, but because the country was *born* into them.
Your citation simply acknowledges that someone had been naturalized, and that as naturalized they now had the same status as those born into citizenship with the EXCEPTION of the presidency.
Congress decreed who HAD TO BE naturalized. The others who didn’t were born automatic citizens.
If you don’t need to be naturalized, then you are already natural.
Now, where is the definition of “natural born” in the Constitution?