Those arent rivets, Tony. Those are screws. Phillips head screws to be exact.
Do you see those panel lines? They are crooked. Do you see the rows of screws? They are crooked too. And thats a brand new plane!!! It didnt serve for 30 years. And wasnt stored under the sun and the snow. And it wasnt overhauled 50 times.
Here is few examples of how 4th Generation plane "skin" supposed to look like