Earlier quoted context omitted.
The money comes from sacrificing existing entitlement programs, which might actually cost more. Think about it like this in the US: Imagine giving everybody a basic income and eliminating minimum wage, social security, medicare, welfare, and so forth... Naturally some people would become wealthier (paying down existing debts) and some people would become poorer (spending money more rapidly and increasing their debt b…
So you are taking money out of social security and medicare which currently people earned (you return is somewhat proportional to how much taxes you paid) into a general pool? In that case, we should start applying FICA taxes on investment income also then because then it is a general tax.
I do think that some aspects of our tax system could be reworked. Creating a wealth tax and removing income and other redundant taxes seems to be a popular idea[1]
[1](http://www.nytimes.com/2012/11/19/opinion/to-reduce-inequali...)