When you give tax cuts to people who pay no taxes, you get closer and closer to complete welfare state. I like this easy outline with some interesting graphs too. If Obama's plans are implemented, within 5 years more than 50% of the population would pay no taxes. Once you have 50% paying $0 in taxes, you have a majority who will always vote for more spending and higher taxes on the minority. And once that happens, the end will truly be here for capitalism in the US.