Taking a step back... one big problem is that our tax code is way too complex. It means that even common people are wading through a minefield every time they file their taxes. Between unclear deductions and credits, trickiness for those that have to pay estimated taxes, and a mafia led by Intuit lobbying against simple filing it's definitely a pay to play system. More broadly, our tax code is designed to benefit the…
Politicians care about staying in office, rewarding their supporters, and maybe implementing prosocial policies. In that order. So tax cuts for the wealthy aren’t because they think it’s good for the economy, they are kickbacks for support.
Every single tax deduction and carve out is a reward to the winning coalition at a particular time. We see this with farm subsidies, which are more of a vestige at this point, but at one time farmers were an important demographic. When politicians get into office they reward their supporters.
The book is a lot better than I am at explaining it all, so I recommend reading it or watching the Rules for Rulers video on YouTube.