You've got it so wrong. It's actually that lower-middle class people are worked very hard... and then are paid an insufficient wage to cover their basic life needs.
This is a failure of the system.
Now of course I would agree if you want to abolish taxes on the lower middle class, recoup that funding from the upper middle class and wealthy, and then shower the lower middle class with consolation prizes like food stamps and housing aid and daycare subsidies and regulations that ensure paid vacation and benefits.
but something tells me you would just give the lower middle class $50 in tax savings and then cut $150 worth of food stamps and call it good... while giving the top 1% $1 million in tax cuts.
If someone is working, you're not showering them with consolation prizes. You're making up the difference between the market-price for labor and a dignified standard of living.
I'm speaking specifically of the people who have joined the ranks of the poverty-stricken because the phase-out of benefits compels them not to work. Then we throw alms at them to satisfy our moral vanity. That's a huge waste of our money and their lives. When we encourage them not to work, we actually undermine the fiscal integrity of other programs like Social Security and Medicare.
Why do you think people rant against the US welfare state? It is a human rights catastrophe. The electorate know little of economics so they incorrectly believe that our programs are underfunded. They raise taxes and expand our welfare state. Our social problems become more acute.
Americans are not stingy when it comes to social spending. We are stupid, which is twice as bad.