You are most definitely creating a separate of rights based on income or availability of free time.

You are obviously not american and I implore you to do a little more research on the subject.

Here is some interesting information

https://www.cnn.com/2016/08/10/politics/what-does-the-second-amendment-actually-mean-trnd/index.html

https://en.m.wikipedia.org/wiki/Militia_Acts_of_1792 Militia Act of 1795, which mirrored the provisions of the expired 1792 Acts, except that the President’s authority to call out the militias was made permanent. The Militia Act of 1862, enacted during the American Civil War, amended the conscription provision of the 1792 and 1795 acts, which originally applied to every "free able-bodied white male citizen" between the ages of 18 and 45, to allow African-Americans to serve in the militias. The new conscription provision applied to all males, regardless of race, between the ages of 18 and 54.