This is similar to the logic people use with the War on Drugs. As soon as there are enough dead Mexicans and gangsters in the street, eventually they HAVE to lift prohibition, right?
The government can remain irrational for longer than we can remain alive.
Look at countries like India or even China. Countries can survive hundreds of years with high level of poverty.
The key thing is if the situation in the US will get worse faster or slower than the slow mentality shift that is required to considered poor people as disposable.