Good move or Bad move ???

Unknown to most of us, on Thursday (12/18/2014), President Obama signed into law the "No Social Security for Nazis Act".   This finally eliminated Social Security payments to Nazi war criminals living overseas as well as in this country.   Obviously, most of us are happily in favor of this action on the part of President Obama.
However, if we look at the long term implications of this Act, we see how Emperor Obama again violates our Constitution.   Only Congress can make changes in our Social Security System.   There was no discussion in Congress, no vote in Congress, and therefore no action taken by Congress in this matter.
This opens the door to another "slippery slope" created by our residing Emperor (Obama).   How can a single qualified group be eliminated from receiving Social Security payments ?   Which group will be next ?   Will it be anyone that is not Christian ?   Will it be anyone that is a Republican ?   Will it be anyone that has an extremely high income ?   Or could it be something as silly as those that wear eyeglasses being denied Social Security payments ?
I've always been against Social Security payments going to anyone that does not live in the United States.   But that's an argument for another day.
The big issue here is how Emperor Obama is stepping on the main thing that makes this country great...our Constitution.   He has even said (in 2010) that he could get a lot more done but the Constitution was in his way.   How much more damage will he do before we're rid of him ???