> Its much better than giving tax breaks since you need income to begin with.
1. There is a difference between refundable and non-refundable tax credits. A big misconception is that tax breaks only help those who already have income exceeding the size of the credit, which is not necessarily true.
Second,
> Its like applying plaster to an uneven wall. The dents gets filled with plaster but the bumps stays at the same level!
In this analogy, where is the plaster coming from? It can't just come from nowhere[0].
[0] ("Just print more" isn't the answer, because that increasing the money supply doesn't actually "create" money (in the colloquial sense) - it's just a redistribution method that redistributes by changing the relative value of outstanding debt.)